Puzzle Lab

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The Boomsday Project logo.png The subject of this article is part of the
The Boomsday Project Puzzle Lab.


"A LOT of SCIENCE happens at Boom Labs, and that means that there are dozens and dozens of unfinished or abandoned experiments hidden away in the complex. It’s a golden opportunity for a certain clever someone to figure out what the heck went wrong! Can you unravel their mysteries without exploding, dissolving, or becoming irrevocably poultry-ized forever?
When you experience The Boomsday Project’s free single-player content, The Puzzle Lab, you’ll discover that science is fun! And dangerous! Not necessarily in that order!"[1]
Puzzle Lab option in the Solo Adventures menu.
Selecting a Puzzle.

The Puzzle Lab is a free single-player game mode added with the The Boomsday Project expansion. The mode became available on August 21, 2018, two weeks after the release of the expansion.[1]

The Puzzle Lab is categorized into various puzzles that the player will have to solve:[2]

  • Lethal: Destroy the enemy hero in a single turn.
  • Mirror: Create a board state in which both sides are perfect mirrors of one another, including minion positioning, attributes, etc.
  • Board Clear: Clear the battlefield of all minions.
  • Survival: Survive the enemy's Hero Power (by healing to full, plus some Armor in higher difficulties).


Special cards[edit]

Battery Pack(89958).png
Breakout(89961).png
Cosmic Projection(89971).png
Phasing Portal(90070).png
Power Word- Shield(211230).png
The Swap(89962).png
Back-up Plan(89974).png
Gelbin's Coil(89968).png
Contamination(89975).png
Steel Rattler(89976).png
Undercover Reporter(89959).png
Cure-All(89966).png
Galvanized Golem(89964).png
Incubator(89970).png
Soul Repressor(90071).png
Super Soldier(89965).png
The Stars Align(89972).png
Uplink(89960).png
Turret Sentinel(89967).png
Spud M.E.(89957).png
Unbeakered Lightning(89973).png
Demonic Research(89963).png
Boom-in-a-Box(89969).png
Ray of Roasting(89977).png

Puzzles[edit]

Lethal[edit]

Poisonmaster Pollark

Lethal puzzle set #1 with 9 puzzles.

No. Title Description Solution Notes
1 Cold Blooded Lethal with murloc
  1. Use the Hero Power Dagger Mastery
  2. Play Deadly Poison
  3. Cast Cold Blood on Bluegill Warrior
  4. Attack with Bluegill Warrior and your hero
2 Frostbite Lethal with Mana Wyrm
  1. Cast Frostbolt and Ice Lance on the opponent's face
  2. Attack with Mana Wyrm
3 Battle Boar Lethal with Stonetusk Boar
  1. Play Stonetusk Boar
  2. Play Abusive Sergeant, Rockbiter Weapon and Windfury, all targeting the Boar
  3. Attack twice with Stonetusk Boar
4 Stand By Me Lethal with Charge minions
  1. Attack Ironfur Grizzly with Stonetusk Boar
  2. Attack Shieldbearer with Bluegill Warrior
  3. Play Wolfrider next to Flametongue Totem and attack face
  4. Play both Stonetusk Boars next to Flametongue Totem and attack face with both
5 Frothing Fighters Lethal with Frothing Berserker
  1. Play both Rabid Worgens
  2. Cast Whirlwind
  3. Attack Ironwood Golem with both Worgen
  4. Use Armor Up!
  5. Cast Shield Slam on Frothing Berserker
  6. Attack face with Frothing Berserker
6 Leeroy Returns Lethal with Leeroy Jenkins
  1. Cast Reincarnate on Ticking Abomination
  2. Play Leeroy Jenkins and attack the enemy hero
  3. Cast Reincarnate on Leeroy
  4. Attack the enemy hero with Leeroy
7 Cosmic Fire Lethal with Spell Damage
  1. Play Cosmic Anomaly
  2. Cast Arcane Blast on Bronze Gatekeeper
  3. Play The Coin
  4. Play Celestial Emissary
  5. Cast Fireball on the opponent's face
  6. Attack with Mana Wyrm
  • Do not play Celestial Emissary before The Coin; doing so will waste the Emissary's Battlecry.
8 Full Draw Lethal with Hunter hero power Steady Shot
  1. Play Carnivorous Cube, targeting Clockwork Automaton
  2. Cast Play Dead on Carnivorous Cube
  3. Cast Hunter's Mark on Carnivorous Cube
  4. Cast Arcane Shot on Carnivorous Cube
  5. Use Steady Shot
9 Plan B Lethal with Back-up Plan
  1. Play Back-up Plan and watch the fireworks
  • This is the easiest of all the puzzles, requiring playing only 1 card.
Myra Rotspring

Lethal puzzle set #2 with 7 puzzles.

No. Title Description Solution Notes
1 Quick and Quiet Lethal with Charged Beasts
  1. Play Ironbeak Owl, targeting Stranglethorn Tiger
  2. Use Steady Shot
  3. Attack with all minions
2 Dinosaur Domination Lethal with Sylvanas Windrunner's Deathrattle
  1. Cast Potion of Madness on a Frostwolf Grunt
  2. Attack the opponent's Frostwolf Grunt with your Frostwolf Grunt
  3. Attack the enemy hero with Sylvanas Windrunner
  4. Cast Shadow Word: Death on Sylvanas to take control of King Krush
  5. Attack the enemy hero with King Krush
  6. Cast both Mind Blasts
3 Hot Potato Lethal with Spud M.E.
  1. Attack Spud M.E. with Wisp (changes control to you)
  2. Play Blood Razor (changes control to opponent)
  3. Cast Inner Rage on Frothing Berserker
  4. Attack Spud M.E. with Frothing Berserker
4 A Dim Flame Lethal with Gurubashi Berserker
  1. Cast Frostbolt on Ironfur Grizzly
  2. Play Bloodmage Thalnos
  3. Use Fireblast on the 3-health Gurubashi Berserker
  4. Cast Forbidden Flame on the same Berserker
  5. Attack with both Gurubashi Berserkers
5 Lethal Lepers Lethal with spell damage and Leper Gnome
  1. Cast Backstab on Pompous Thespian
  2. Attack the enemy hero with Kobold Geomancer and Magma Rager
  3. Cast Shadowstep on Kobold Geomancer
  4. Play Kobold Geomancer
  5. Play Leper Gnome
  6. Cast Backstab on Leper Gnome
  7. Cast Sinister Strike and Razorpetal on the enemy hero
6 The Wall Lethal with Grommash Hellscream
  1. Cast Rampage on Grommash
  2. Attack Abomination with Fiery War Axe
  3. Cast Execute on Lord of the Arena
  4. Cast Cleave
  5. Attack the enemy hero with Grommash

Alternatively:

  1. Cast Rampage on Grommash
  2. Attack Abomination with Fiery War Axe
  3. Play Bloodmage Thalnos
  4. Cast Shield Slam on Lord of the Arena
  5. Cast Whirlwind
  6. Attack the enemy hero with Grommash
  • This is the first Lethal puzzle with multiple solutions utilizing different cards.
7 Four Horsemen Instant win with Uther of the Ebon Blade's hero power The Four Horsemen
  1. Play Uther of the Ebon Blade
  2. Refill mana with Battery Pack
  3. Use Hero Power (1/4)
  4. Play Blackwald Pixie
  5. Use Hero Power (2/4)
  6. Play Auctionmaster Beardo
  7. Play Battery Pack
  8. Use Hero Power (3/4)
  9. Cast Hammer of Wrath on a Glow-Tron
  10. Use Hero Power (4/4)
Lil' Stormy

Lethal puzzle set #3 with 7 puzzles.

No. Title Description Solution Notes
1 Light and Fire Lethal with Tirion and Ashbringer
  1. Attack Booty Bay Bodyguard with Silver Hand Recruit
  2. Play Wild Pyromancer
  3. Cast Consecration
  4. Attack the enemy hero with Tirion
  5. Cast Equality
  6. Play Bluegill Warrior
  7. Attack the enemy hero with everything
2 Hostile Hoppers Lethal with Pogo-Hoppers
  1. Play Sonya Shadowdancer
  2. Play a Pogo-Hopper
  3. Cast Backstab on Pogo-Hopper
  4. Play a Pogo-Hopper
  5. Cast Shadowstep on Pogo-Hopper
  6. Play both Pogo-Hoppers
  7. Cast Eviscerate on the enemy
  8. Cast Breakout
  9. Attack the enemy with everything

Alternatively:

  1. Play Sonya Shadowdancer
  2. Play a Pogo-Hopper
  3. Cast Backstab on Pogo-Hopper
  4. Play a Pogo-Hopper
  5. Cast Eviscerate on Pogo-Hopper
  6. Play a Pogo-Hopper
  7. Cast Shadowstep on Pogo-Hopper
  8. Cast The Coin
  9. Play both Pogo-Hoppers
  10. Cast Breakout
  11. Attack the enemy with everything
3 A Corrupted Spirit Lethal with Auchenai Soulpriest
  1. Play Radiant Elemental
  2. Cast Inner Fire on Auchenai Soulpriest
  3. Cast Circle of Healing
  4. Cast Potion of Madness and both Divine Spirits on Auchenai Soulpriest
  5. Cast Inner Fire on Auchenai Soulpriest
4 The Best Offense Lethal with Shield Slam
  1. Play Cornered Sentry, Armorsmith and Eternium Rover
  2. Play Drywhisker Armorer
  3. Cast Whirlwind
  4. Cast Charge on Eternium Rover and attack Wrathguard with it
  5. Cast Shield Slam on Wrathguard
5 Healing Hammers Lethal with Healing Rain and Cure-All
  1. Play Defender of Argus on the far right, buffing only Stormwind Knight
  2. Play Elven Archer, targeting Tentacle of N'Zoth
  3. Cast Lightning Bolt on Stormwind Knight
  4. Attack the enemy hero with everything and cast Lightning Bolt on the same target
  5. Cast Healing Rain

Alternatively:

  1. Play Defender of Argus between Tentacle of N'Zoth and Stormwind Knight
  2. Play Elven Archer, targeting the 1/1 Tentacle of N'Zoth
  3. Play Elven Archer and Lightning Bolt, both targeting Stormwind Knight
  4. Attack the enemy hero with everything and cast Lightning Bolt on the same target
  5. Play The Coin
  6. Cast Healing Rain

Alternatively:

  1. Play Elven Archer, targeting Tentacle of N'Zoth
  2. Play Defender of Argus between Cure-All and Stormwind Knight
  3. Cast a Lightning Bolt on Stormwind Knight
  4. Play Elven Archer and Lightning Bolt, both targeting the enemy hero
  5. Attack the enemy hero with everything
  6. Play The Coin
  7. Cast Healing Rain
6 Toasted Hydra Lethal with Bittertide Hydra
  1. Play both Wild Pyromancers and attack the enemy hero with Garrosh
  2. Cast Commanding Shout
  3. Cast The Coin
  4. Cast Whirlwind or Blood to Ichor on Bittertide Hydra
7 C'Thun! C'Thun! C'THUN! Lethal with C'Thun
  1. Play Disciple of C'Thun, targeting face
  2. Cast Spirit Lash
  3. Cast Shadow Madness on Cult Sorcerer and attack the enemy hero with it
  4. Cast Circle of Healing
  5. Play C'Thun

Alternatively:

  1. Play Beckoner of Evil
  2. Cast Spirit Lash
  3. Cast Shadow Madness on Cult Sorcerer and attack the enemy hero with it
  4. Cast Circle of Healing
  5. Cast Spirit Lash
  6. Play C'Thun
Electra Stormsurge

Lethal puzzle set #4 with 6 puzzles.

No. Title Description Solution Notes
1 Tossing Taters Lethal with Spud M.E.
  1. Magnetize Skaterbot to Spud M.E. by playing it between Stampeding Kodo and Spud M.E.
  2. Attack River Crocolisk with Spud M.E.
  3. Attack Spud M.E. with Stampeding Kodo
  4. Play Blackwing Technician
  5. Cast both Defiles

Alternatively:

  1. Magnetize Skaterbot to Spud M.E. by playing it between Stampeding Kodo and Spud M.E.
  2. Attack River Crocolisk with Spud M.E.
  3. Attack Spud M.E. with Stampeding Kodo
  4. Play Blackwing Technician, Shieldbearer, and both Coins
  5. Play Twilight Drake
  6. Cast Defile
2 Pride's Fall Lethal with Charging Beasts
  1. Play Savannah Highmane, Timber Wolf and Swamp Leech
  2. Attack the enemy hero with Savannah Highmane
  3. Cast The Coin
  4. Cast Kill Command on Savannah Highmane
  5. Attack the enemy hero with everything
3 Keepers of the Gate Lethal with Doomguards
  1. Cast Mortal Coil on Goblin Bomb
  2. Cast Defile
  3. Cast Hellfire
  4. Attack the enemy hero with Doomguards
4 A Shaman's Strength Lethal by clearing enemy minions
  1. Play Flametongue Totem between Emerald Reaver and Stoneclaw Totem
  2. Cast Crushing Hand on Bittertide Hydra
  3. Cast Rockbiter Weapon on Tunnel Trogg
  4. Attack Bomb Squad with Emerald Reaver
  5. Attack Bittertide Hydra with Leper Gnome
  6. Attack the enemy hero with everything

Alternatively:

  1. Play Flametongue Totem between Emerald Reaver and Stoneclaw Totem
  2. Cast Crushing Hand on Bittertide Hydra
  3. Cast Rockbiter Weapon on Tunnel Trogg
  4. Attack Bittertide Hydra with Leper Gnome
  5. Attack Bomb Squad with Emerald Reaver
  6. Attack Bittertide Hydra with Stoneclaw Totem
  7. Attack the enemy hero with Tunnel Trogg
5 Selective Stampede Lethal with Charging Beasts
  1. Play Faceless Manipulator, targeting Tundra Rhino
  2. Play Bloodfen Raptor
  3. Play Emerald Hive Queen
  4. Attack Abomination with Bloodfen Raptor and Emerald Hive Queen
  5. Play Timber Wolf
  6. Attack the enemy hero with everything

Alternatively:

  1. Play Faceless Manipulator, targeting Tundra Rhino
  2. Play Timber Wolf
  3. Play Emerald Hive Queen
  4. Attack Abomination with Emerald Hive Queen, then with Timber Wolf
  5. Play Bloodfen Raptor
  6. Attack the enemy hero with everything
6 Spell Addiction Lethal with Mana Addict
  1. Cast Razorpetal Volley and Counterfeit Coin
  2. Cast Razorpetal and Eviscerate on Hoarding Dragon
  3. Cast Backstab on Mana Addict
  4. Cast both Coins
  5. Cast Shadow Strike and Razorpetal on the the enemy hero
  6. Attack the enemy hero with Mana Addict

Mirror[edit]

Test Subject #362

Mirror puzzle set #1 with 8 puzzles.

No. Title Description Solution Notes
1 First Steps Mirror by playing two minions
  1. Play Wisp
  2. Play River Crocolisk to the right of Wisp
2 Smoldering Shield Mirror by Fireballing a Sen'jin Shieldmasta
  1. Cast Fireball on Sen'jin Shieldmasta
  2. Play Wisp to the left of River Crocolisk
  3. Play Chillwind Yeti to the right of River Crocolisk
3 In a Flash Mirror by clearing Chargers
  1. Attack Wolfrider with Stonetusk Boar
  2. Cast Flash Heal on the friendly Chillwind Yeti
  3. Use the Hero Power Lesser Heal on the friendly River Crocolisk
4 Adorable Sacrifice Mirror by sacrificing Murloc Tinyfin
  1. Attack the right-most Wisp with Murloc Tinyfin
  2. Play Bloodfen Raptor to the right of Wisp

Alternatively:

  1. Attack Bloodfen Raptor with Murloc Tinyfin
  2. Use the Hero Power Fireblast on Bloodfen Raptor
  3. Play Wisp
5 Pursuit of Knowledge Mirror by drawing cards
  1. Play Novice Engineer to the left of Spider Tank
  2. Cast Frostbolt on Dire Mole

Alternatively:

  1. Cast Arcane Intellect
  2. Play Dire Mole to the right of Spider Tank
  3. Use the Hero Power Fireblast on Novice Engineer

Alternatively:

  1. Cast Arcane Intellect
  2. Play Novice Engineer to the left of Spider Tank
  3. Play Dire Mole to the right of Spider Tank
6 Brazed Pork Mirror by Fireballing a Stonetusk Boar
  1. Cast Fireball on the right-most enemy Stonetusk Boar
  2. Attack Chillwind Yeti with Stonetusk Boar
  3. Use the Hero Power Fireblast on the enemy Chillwind Yeti
7 Shields Up! Mirror with Defender of Argus
  1. Play Stonetusk Boar on the far left
  2. Play Defender of Argus between Stonetusk Boars
  3. Attack Frostwolf Grunt with the right-most Stonetusk Boar
8 Three Odd Yetis Mirror the Health of three Chillwind Yetis
  1. Attack the undamaged enemy Chillwind Yeti with the left-most River Crocolisk
  2. Attack the enemy River Crocolisk with the remaining River Crocolisk
  3. Use the Hero Power Lesser Heal on the right-most enemy Yeti
  4. Cast Holy Smite on the friendly River Crocolisk
Astromancer Arwyn

Mirror puzzle set #2 with 7 puzzles.

No. Title Description Solution Notes
1 Loss and Gain Mirror with Forbidden Ritual
  1. Use the Hero Power Life Tap
  2. Cast Dark Pact on Icky Tentacle
  3. Cast Forbidden Ritual

Alternatively:

  1. Use the Hero Power Life Tap
  2. Cast Darkbomb on your hero
  3. Cast Forbidden Ritual

Alternatively:

  1. Use the Hero Power Life Tap
  2. Cast Drain Life on the enemy Icky Tentacle
  3. Cast Forbidden Ritual
2 Explosive Assault Mirror by clearing Unstable Ghouls
  1. Attack Unstable Ghoul with Unstable Ghoul
  2. Cast Frostbolt on the friendly Unstable Ghoul
  3. Cast Arcane Explosion

Alternatively:

  1. Cast Frostbolt on the enemy Unstable Ghoul
  2. Attack River Crocolisk with Unstable Ghoul
  3. Cast Arcane Explosion

Alternatively:

  1. Cast Frostbolt on the enemy Unstable Ghoul
  2. Attack the left-most Ancient Watcher with Unstable Ghoul
  3. Use the Hero Power Fireblast on the enemy Ancient Watcher

Alternatively:

  1. Attack Unstable Ghoul with Unstable Ghoul
  2. Use the Hero Power Fireblast on the enemy Unstable Ghoul
  3. Cast Arcane Explosion
  4. Cast Frostbolt on the friendly Unstable Ghoul

Alternatively:

  1. Cast Frostbolt on the enemy Unstable Ghoul
  2. Attack the right-most Ancient Watcher with Unstable Ghoul
  3. Cast Arcane Explosion
  4. Use the Hero Power Fireblast on the friendly Ancient Watcher
3 Dragonslayer Mirror by clearing Sleepy Dragon
  1. Cast Inner Fire on Sleepy Dragon
  2. Cast Shadow Word: Death on Sleepy Dragon
  3. Attack Faceless Behemoth with Faceless Behemoth

Alternatively:

  1. Attack Sleepy Dragon with Faceless Behemoth
  2. Cast Embrace the Shadow
  3. Cast Flash Heal on the friendly Faceless Behemoth
  4. Use the Hero Power Lesser Heal on Sleepy Dragon
  5. Cast Resurrect
4 Nature's Wispers Mirror Wisps
  1. Cast Wrath for 3 damage on the 3/3 Wisp
  2. Use the Hero Power Shapeshift
  3. Attack the 3/2 Wisp with Malfurion and Wisp

Alternatively:

  1. Cast both copies of Mark of the Lotus
  2. Attack the right-most 1/1 Wisp with Wisp
  3. Cast Wrath for 3 damage to a friendly 3/3 Wisp
  4. Play Wisp on the far left
5 Burning Volley Mirror Gurubashi Berserkers
  1. Play both Elven Archers, targeting the friendly Gurubashi Berserker on the right
  2. Use the Hero Power Fireblast on the enemy Gurubashi Berserker on the left
  3. Cast Volcanic Potion

Alternatively:

  1. Play both Elven Archers, each one targeting the friendly and enemy 2/7 Gurubashi Berserkers
  2. Use the Hero Power Fireblast on the right friendly Gurubashi Berserker
  3. Cast Volcanic Potion
6 Divine Alignment Mirror with The Stars Align
  1. Use the Hero Power Lesser Heal on the friendly Faceless Behemoth on the right
  2. Cast both Holy Smites on the friendly Chillwind Yeti and Faceless Behemoth (both on the left ones)
  3. Cast The Stars Align
  4. Cast Divine Spirit on the friendly Faceless Behemoth on the left

Alternatively:

  1. Cast both Holy Smites each one on the friendly Faceless Behemoth on the left and any friendly Chillwind Yeti
  2. Cast The Stars Align
  3. Cast Divine Spirit on Faceless Behemoth 10/4
  4. Use the Hero Power Lesser Heal on the friendly Faceless Behemoth on the right
7 Aha! Mirror using Archmage Antonidas's Fireballs
  1. Play Sorcerer's Apprentice on the left
  2. Cast Molten Reflection on Sorcerer's Apprentice
  3. Cast Arcane Intellect
  4. Play Sorcerer's Apprentice to the right of Archmage Antonidas
  5. Cast Arcane Intellect
  6. Cast both Coins
  7. Cast Fireballs in next order: Chillwind Yetis, the friendly Archmage Antonidas, the right-most enemy Sorcerer's Apprentice
Stargazer Luna

Mirror puzzle set #3 with 6 puzzles.

No. Title Description Solution Notes
1 The Ol' Switcheroo Mirror of Booty Bay Bodyguards
  1. Cast Holy Smite on the friendly Booty Bay Bodyguard

Alternatively:

  1. Cast both Divine Spirits on the enemy Booty Bay Bodyguard

Alternatively:

  1. Cast Divine Spirit on the enemy Booty Bay Bodyguard
  2. Use the Hero Power Lesser Heal on the enemy Booty Bay Bodyguard
2 It's in the Stars Mirror with The Stars Align
  1. Cast both Holy Smites each one on the friendly Wargear and Rusty Recycler
  2. Cast The Stars Align
  3. Cast Circle of Healing

Alternatively:

  1. Cast Spirit Lash
  2. Use the Hero Power Lesser Heal on the friendly Spider Tank
  3. Cast both Holy Smites each one on the friendly Wargear and Rusty Recycler
  4. Cast The Stars Align
  5. Cast Circle of Healing
3 Nether Side Up Mirror by Hellfiring Devilsaur Eggs
  1. Play Ironbeak Owl, targeting the enemy Devilsaur Egg
  2. Cast Hellfire
  3. Cast Unwilling Sacrifice on Devilsaur Egg

Alternatively:

  1. Cast Darkbomb on the enemy Devilsaur Egg
  2. Play Ironbeak Owl, targeting the enemy Devilsaur Egg
  3. Attack Devilsaur with Meat Wagon
  4. Cast Hellfire

Alternatively:

  1. Cast Unwilling Sacrifice on Meat Wagon
  2. Attack Devilsaur with Kobold Geomancer
  3. Play Ironbeak Owl, targeting the enemy Devilsaur Egg
  4. Cast Hellfire
4 Filthy Rodent Mirror by using Dirty Rat
  1. Attack Dirty Rat with Boulderfist Ogre
  2. Play Dirty Rat
  3. Cast Shadow Word: Pain on Dirty Rat
  4. Cast Light of the Naaru on the enemy Boulderfist Ogre
  5. Attack Boulderfist Ogre with River Crocolisk
  6. Attack War Golem with War Golem

Alternatively:

  1. Play Dirty Rat
  2. Attack Dirty Rat with Boulderfist Ogre
  3. Attack War Golem with River Crocolisk, then with War Golem
  4. Cast Shadow Word: Pain on Dirty Rat
  5. Use the Hero Power Lesser Heal on the friendly Boulderfist Ogre
  6. Cast Light of the Naaru on the enemy Boulderfist Ogre / cast Holy Smite on the friendly Boulderfist Ogre

Alternatively:

  1. Attack Dirty Rat with War Golem
  2. Play Dirty Rat
  3. Cast Shadow Word: Pain on Dirty Rat
  4. Attack War Golem with River Crocolisk
  5. Attack Boulderfist Ogre with Boulderfist Ogre
  6. Cast Holy Smite on Boulderfist Ogre
  7. Use the Hero Power Lesser Heal on the friendly War Golem
5 A Quest for Three Mirror by activating Questing Adventurer three times
  1. Cast Shiv on the friendly Questing Adventurer
  2. Cast Jade Shuriken on the friendly Questing Adventurer
  3. Cast Backstab on Jade Golem

Alternatively:

  1. Cast Shiv on the enemy Questing Adventurer
  2. Cast Eviscerate on the friendly Questing Adventurer
  3. Use the Hero Power Dagger Mastery
  4. Attack Wisp with Valeera
  5. Cast Backstab on Wisp

Alternatively:

  1. Cast Backstab on the friendly Questing Adventurer
  2. Cast Shiv on the friendly Questing Adventurer
  3. Use the Hero Power Dagger Mastery
  4. Attack Wisp with Valeera
  5. Cast Eviscerate on Wisp
6 Chilling Winds Mirror Chillwind Yetis
  1. Attack the right-most Chillwind Yeti 4/2 with Chillwind Yeti
  2. Cast Healing Touch on the right-most friendly Chillwind Yeti
  3. Cast three Moonfires on the friendly Chillwind Yeti in the middle

Alternatively:

  1. Attack the right-most Chillwind Yeti 4/2 with Chillwind Yeti
  2. Cast two Moonfires on Chillwind Yeti 4/2
  3. Cast Moonfire on the friendly Chillwind Yeti on the right

Alternatively:

  1. Play Kobold Geomancer
  2. Cast Moonfire on the right-most Chillwind Yeti 4/2
  3. Cast Healing Touch on another Chillwind Yeti 4/2
  4. Cast Moonfire on Kobold Geomancer

Alternatively:

  1. Cast Moonfire on the friendly Chillwind Yeti in the center
  2. Play Kobold Geomancer
  3. Cast Moonfire on Chillwind Yeti 4/4
  4. Cast Moonfire on the right-most enemy Chillwind Yeti 4/2
  5. Cast Moonfire on Kobold Geomancer

Alternatively:

  1. Attack the right-most Chillwind Yeti with Chillwind Yeti
  2. Cast Swipe on the left Chillwind Yeti 4/2
  3. Cast Healing Touch on the enemy Chillwind Yeti 4/1
  4. Cast all Moonfires each one on the friendly Chillwind Yetis except the right-most 4/5
  • There are many solutions to this puzzle.
Zerek, Master Cloner

Mirror puzzle set #4 with 5 puzzles.

No. Title Description Solution Notes
1 Noble Sacrifices Mirror Bolvar Fordragons
  1. Attack Abomination with both Silver Hand Recruits
  2. Play Bolvar Fordragon
  3. Cast Consecration

Alternatively:

  1. Cast Consecration
  2. Cast Cosmic Projection
  3. Cast The Coin
  4. Attack Abomination with both Silver Hand Recruits
  5. Cast Cosmic Projection
  6. Cast Holy Light on Bolvar Fordragon
  7. Play Bolvar Fordragon
2 Shrinking Solutions Mirror with Shrinkmeister
  1. Cast Uplink on the enemy right-most Sea Giant
  2. Play Shrinkmeister to the right of Sea Giant, targeting Cabal Shadow Priest
  3. Cast Shadow Madness on Shrinkmeister
  4. Attack Cabal Shadow Priest with Shrinkmeister
  5. Cast Potion of Madness on Cabal Shadow Priest
  6. Attack Sea Giant with Cabal Shadow Priest

Alternatively:

  1. Play Shrinkmeister, targeting Cabal Shadow Priest
  2. Cast Uplink on the enemy left-most Sea Giant
  3. Cast Potion of Madness on Cabal Shadow Priest
  4. Use the Hero Power Lesser Heal on the damaged Sea Giant
  5. Cast Confuse
  6. Attack Shrinkmeister with Cabal Shadow Priest

Alternatively:

  1. Use the Hero Power Lesser Heal on the damaged Sea Giant
  2. Play Shrinkmeister, targeting Cabal Shadow Priest
  3. Cast Confuse
  4. Cast Potion of Madness on Shrinkmeister
  5. Attack Cabal Shadow Priest with Shrinkmeister
  6. Cast Uplink on the enemy left-most Sea Giant
3 Perfect Patrons Mirror Grim Patrons
  1. Use the Hero Power Armor Up!
  2. Cast Shield Slam on the enemy 2-Health Grim Patron
  3. Cast Whirlwind
  4. Cast Execute on Grim Patron
  5. Cast Whirlwind

Alternatively:

  1. Cast Execute on Grim Patron
  2. Cast Whirlwind
  3. Use the Hero Power Armor Up!
  4. Cast Shield Slam on the enemy 2-Health Grim Patron
  5. Cast Whirlwind
4 Deathwing Dilemma Mirror by dealing at least 5 damage to all minions
  1. Cast Confuse
  2. Cast Flash Heal and Light of the Naaru on the friendly Wild Pyromancer
  3. Cast Spirit Lash

Alternatively:

  1. Cast Confuse
  2. Play Radiant Elemental
  3. Cast Light of the Naaru on the friendly Wild Pyromancer
  4. Cast Holy Smite on the friendly Wargear
  5. Heal the friendly Wild Pyromancer with the Hero Power Lesser Heal
  6. Cast Vivid Nightmare on Wild Pyromancer
  7. Cast Spirit Lash
  • There are many solutions to this puzzle.
5 Infestation! Mirror with damaged Dirty Rats
  1. Play Incubator, targeting a Dirty Rat
  2. Play Dirty Rat
  3. Cast Whirlwind
  4. Cast Charge on Animated Berserker
  5. Cast Cosmic Projection
  6. Play Dirty Rat
  7. Attack the Dirty Rat which is opposite the 4-Health friendly Dirty Rat with Animated Berserker

Alternatively:

  1. Cast Whirlwind
  2. Play Dirty Rat to the left of Animated Berserker
  3. Play Incubator, targeting a friendly Dirty Rat
  4. Cast Charge on Animated Berserker
  5. Cast Cosmic Projection
  6. Play Dirty Rat on the right
  7. Attack 2/6 Dirty Rat with Animated Berserker

Board Clear[edit]

Dexter the Dendrologist

Board Clear puzzle set #1 with 8 puzzles.

No. Title Description Solution Notes
1 Quick Attack Clear by attacking with Charge and Rush minions
  1. Play Rabid Worgen and Stonetusk Boar
  2. Attack Bloodfen Raptor with Rabid Worgen
  3. Attack Wisp with Stonetusk Boar
2 Holy Extermination Clear with Spirit Lash
  1. Play Elven Archer, targeting Infested Wolf
  2. Cast Holy Nova
  3. Cast Spirit Lash
3 Stomp the Snail Clear by forcing Swamp King Dred to attack Stubborn Gastropod
  1. Play both Tentacles of N'Zoth
  2. Play both Coins
  3. Play Stubborn Gastropod
4 Sticky Scarecrows Clear two Harvest Golems
  1. Cast Sap on Harvest Golem
  2. Cast Eviscerate on Harvest Golem
  3. Cast Backstab on Damaged Golem
5 The Power of Pigs Clear by buffing Frothing Berserker
  1. Attack Soggoth the Slitherer with both Stonetusk Boars
  2. Cast Bash on Frothing Berserker
  3. Attack Soggoth the Slitherer with Frothing Berserker
6 Position Perfection Clear with Explosive Shot and Steady Shot
  1. Play Wolfrider
  2. Attack Toxic Sewer Ooze with Wolfrider
  3. Cast Explosive Shot on Chillwind Yeti
  4. Use the Hero Power Steady Shot on River Crocolisk
  5. Attack Bloodfen Raptor with Steamwheedle Sniper

Alternatively:

  1. Play Wolfrider
  2. Attack River Crocolisk with Wolfrider
  3. Cast Explosive Shot on Chillwind Yeti
  4. Use the Hero Power Steady Shot on Murloc Tinyfin
  5. Attack Toxic Sewer Ooze with Steamwheedle Sniper

Alternatively:

  1. Use the Hero Power Steady Shot on Toxic Sewer Ooze
  2. Attack Toxic Sewer Ooze with Steamwheedle Sniper
  3. Play Wolfrider
  4. Attack River Crocolisk with Wolfrider
  5. Cast Explosive Shot on Chillwind Yeti
7 Scorched Earth Clear with Wild Pyromancers
  1. Cast Power Word: Shield on a Wild Pyromancer
  2. Cast Flash Heal on Wild Pyromancer
  3. Cast all three Holy Smites on Deathwing
8 Dragon Removal Service Clear with Blade Flurry
  1. Use the Hero Power Dagger Mastery
  2. Cast Backstab on Spiteful Smith
  3. Play Toxicologist and Deadly Poison
  4. Attack Deathwing with Valeera
  5. Cast Preparation
  6. Cast Blade Flurry
  7. Cast all four Coins
  8. Cast one Eviscerate on Spiteful Smith, and the other on Toxicologist
Flobbidinous Floop

Board Clear puzzle set #2 with 7 puzzles.

No. Title Description Solution Notes
1 Fighter's Finale Clear with Enter the Coliseum
  1. Cast Humility on Deathwing
  2. Cast Enter the Coliseum
  3. Attack Anomalus with Boulderfist Ogre

Alternatively:

  1. Play Aldor Peacekeeper, targeting Anomalus
  2. Attack Sleepy Dragon with Sleepy Dragon
  3. Attack Hungry Ettin with Boulderfist Ogre
  4. Cast Humility on Deathwing
  5. Cast Enter the Coliseum
2 No More N'Zoth Clear with Dark Iron Skulker
  1. Attack damaged Spawn of N'Zoth with Stonetusk Boar
  2. Play Dark Iron Skulker
  3. Use the Hero Power Dagger Mastery and attack Spawn of N'Zoth with Valeera
  4. Cast Eviscerate on Dark Iron Skulker

Alternatively:

  1. Attack Murloc Tinyfin with Stonetusk Boar
  2. Play Voodoo Doctor, healing damaged Spawn of N'Zoth
  3. Play Dark Iron Skulker
  4. Cast Backstab on Voodoo Doctor
  5. Cast Eviscerate on Dark Iron Skulker
3 Contamination! Clear with Contamination
  1. Cast Contamination on the enemy Sen'jin Shieldmasta
  2. Attack Sen'jin Shieldmasta with Spider Tank, then with Boulderfist Ogre
  3. Attack Chillwind Yeti with Chillwind Yeti
  4. Cast Swipe on Spider Tank
  5. Cast Moonfire on the Chillwind Yeti

Alternatively:

  1. Cast Contamination on the enemy Sen'jin Shieldmasta
  2. Attack Sen'jin Shieldmasta with Boulderfist Ogre
  3. Cast Swipe on Spider Tank
  4. Attack Chillwind Yeti with Spider Tank
  5. Cast Moonfire on the friendly Chillwind Yeti
  6. Attack Chillwind Yeti with Chillwind Yeti
4 A Stolen Shadow Clear with a Mind Visioned Shadowflame on a Potion of Madnessed minion
  1. Cast Mind Vision, getting Shadowflame
  2. Attack Faceless Behemoth with Clockwork Giant
  3. Cast Confuse
  4. Cast Potion of Madness, targeting damaged Faceless Behemoth
  5. Cast Confuse
  6. Cast Shadowflame on Faceless Behemoth
5 Hurricane of Horrors Clear with Shadow Word: Horror
  1. Attack Sen'jin Shieldmasta and Wrathion with Stormwatcher
  2. Attack Earth Elemental with Boulderfist Ogre
  3. Attack Lord of the Arena with Spider Tank
  4. Cast Confuse
  5. Cast Shadow Word: Horror
6 Curious Crustacean Clear with Shadowflame on Void Terror
  1. Play Hungry Crab, targeting Megafin
  2. Play Crazed Alchemist, targeting Sleepy Dragon
  3. Play Void Terror, placing it between your minions
  4. Cast Shadowflame on Void Terror
7 Shocking Spells Clear with Gelbin's Coils
  1. Cast Preparation
  2. Cast Razorpetal Volley
  3. Cast Counterfeit Coin
  4. Cast Razorpetals on Golemagg
  5. Cast Backstabs on your Gelbin's Coils
  6. Cast Shadowstep on the last Coil
Demonologist Draan

Board Clear puzzle set #3 with 5 puzzles.

No. Title Description Solution Notes
1 Tiny Terrors Clear with Shadow Word: Horror
  1. Attack Hungry Ettin with Chillwind Yeti
  2. Cast Pint-Size Potion
  3. Cast Confuse
  4. Attack Hungry Ettin with Sleepy Dragon
  5. Cast Shadow Word: Horror
  6. Cast Shadow Word: Death on Molten Giant

Alternatively:

  1. Cast Topsy Turvy on Sleepy Dragon / play Crazed Alchemist, targeting Sleepy Dragon
  2. Attack Hungry Ettin with Sleepy Dragon
  3. Attack Molten Giant with Chillwind Yeti
  4. Cast Confuse
  5. Cast Pint-Size Potion
  6. Cast Shadow Word: Horror
2 Defiling Demons Clear with Defile
  1. Attack any Voidwalker with Imp once
  2. Attack Voidlord with Doomguard and Imp once
  3. Cast Defile

Alternatively:

  1. Attack Voidlord with Doomguard
  2. Attack any Voidwalker with Imp once
  3. Cast Mortal Coil on Boulderfist Ogre
  4. Cast Defile
3 A Warrior's Weapons Clear with Whirlwind effects
  1. Equip Blood Razor and attack Pit Fighter
  2. Equip Woodcutter's Axe or Fiery War Axe
  3. Cast Whirlwind
  4. Cast Revenge

Alternatively:

  1. Summon Rabid Worgen and attack Harvest Golem
  2. Equip Blood Razor and attack other Harvest Golem
  3. Cast Whirlwind
  4. Cast Execute on Pit Fighter
4 Poultry Provoked Clear with Abomination
  1. Cast Mark of the Wild on Angry Chicken
  2. Use the Hero Power Shapeshift and attack buffed Angry Chicken with Malfurion
  3. Cast Contamination on Abomination
  4. Attack Angry Chicken with Abomination
5 Bot Battle Clear with Explosive Sheep
  1. Play Brann Bronzebeard
  2. Play Galvanizer
  3. Play Explosive Sheep
  4. Play Faithful Lumi, targeting Explosive Sheep
  5. Play Fireworks Tech, targeting Explosive Sheep
  6. Magnetize Skaterbot to Explosive Sheep
  7. Attack any Force-Tank MAX with Explosive Sheep
  8. Play Mechwarper
  9. Magnetize Skaterbot to Mechwarper
  10. Attack Force-Tank MAX with Mechwarper
Dr. Morrigan

Board Clear puzzle set #4 with 5 puzzles.

No. Title Description Solution Notes
1 Airborne Assault Clear with Flying Machines
  1. Play Flametongue Totem, placing it between Flying Machines
  2. Attack with one Flying Machine both Sen'jin Shieldmasta, then Lord of the Arena
  3. Attack with the remaining Flying Machine Squirming Tentacle, then Booty Bay Bodyguard
  4. Play Wild Pyromancer
  5. Cast Rockbiter Weapon on your hero
  6. Cast Lightning Bolt on Flametongue Totem
  7. Attack River Crocolisk
2 Dog Days Clear with Charged beasts
  1. Play Scavenging Hyena to the right of Tundra Rhino
  2. Cast Unleash the Hounds
  3. Play Dire Wolf Alpha, placing it next to the Hounds
  4. Play Timber Wolf
  5. Cast The Coin, then cast Powershot on Golemagg
  6. Kill the first Molten Giant with two Hounds
  7. Attack the second Molten Giant with Hound, then with Dire Wolf Alpha
  8. Attack Golemagg alternately with Timber Wolf, Scavenging Hyena and Tundra Rhino
3 Grumble's Rumble Clear with Shadowflame on discounted Snowfury Giant
  1. Play Fire Plume Harbinger
  2. Play Murmuring Elemental
  3. Copy Fire Plume Harbinger with Zola the Gorgon
  4. Play Fire Plume Harbinger
  5. Cast Battery Pack
  6. Play Fire Plume Harbinger
  7. Play Grumble, Worldshaker
  8. Play Fire Plume Harbinger
  9. Play Murmuring Elemental
  10. Copy Fire Plume Harbinger with Zola the Gorgon
  11. Play three Fire Plume Harbingers, starting with 0-Cost minion
  12. Cast Back-up Plan
  13. Cast Battery Pack
  14. Play Snowfury Giant and cast Shadowflame

Alternatively:

  1. Play Fire Plume Harbinger
  2. Copy Fire Plume Harbinger with Zola the Gorgon
  3. Play Murmuring Elemental
  4. Play Fire Plume Harbinger
  5. Cast Battery Pack
  6. Play Grumble, Worldshaker
  7. Copy Grumble, Worldshaker with Zola the Gorgon
  8. Play Fire Plume Harbinger
  9. Play Murmuring Elemental
  10. Play Fire Plume Harbinger
  11. Play Grumble, Worldshaker
  12. Cast Battery Pack
  13. Play Fire Plume Harbinger
  14. Play Grumble, Worldshaker
  15. Play Fire Plume Harbinger
  16. Play Grumble, Worldshaker
  17. Play Murmuring Elemental
  18. Play Fire Plume Harbinger
  19. Cast Back-up Plan
  20. Play Snowfury Giant and cast Shadowflame
4 Toxic Treants Clear using Treants and Ticking Abomination
  1. Cast Contamination on the any Treant that can attack
  2. Cast Floop's Glorious Gloop
  3. Attack Blightnozzle Crawler with three Treants; the last attack with Poisonous Treant
  4. Play Spiritsinger Umbra
  5. Attack Radioactive Ooze with the Treant
  6. Play Ticking Abomination
  7. Cast Lesser Jasper Spellstone on Ticking Abomination

Alternatively:

  1. Attack Blightnozzle Crawler with two Treants
  2. Cast Floop's Glorious Gloop
  3. Cast Poison Seeds
  4. Play Spiritsinger Umbra
  5. Play Ticking Abomination
  6. Cast Contamination on the enemy Treant
  7. Play Mulchmuncher and attack Poisonous Treant
  8. Use the Hero Power Shapeshift and attack Radioactive Ooze
  9. Cast Lesser Jasper Spellstone on Ticking Abomination
5 A Dance with Death Clear with Elven Archers and Tentacle of N'Zoths
  1. Play Faceless Manipulator, targeting Sonya Shadowdancer
  2. Play Tentacle of N'Zoth
  3. Play the first Elven Archer, targeting Foe Reaper 4000
  4. Play the second Elven Archer, targeting Tentacle of N'Zoth
  5. Play Tentacle of N'Zoth
  6. Play the first Elven Archer, targeting Foe Reaper 4000
  7. Play the second Elven Archer, targeting Tentacle of N'Zoth
  8. Play all Tentacles of N'Zoth
  9. Play Elven Archer, targeting any Tentacle of N'Zoth

Survival[edit]

Boomnician Breena

Survival puzzle set #1 with 8 puzzles.

No. Title Description Solution Notes
1 Don't Panic Survive with healing spells
  1. Cast Holy Light on Uther
  2. Cast Forbidden Healing on Uther
2 A Gentle Touch Survive with Deranged Doctor
  1. Cast Binding Heal on Flamewreathed Faceless
  2. Attack Flamewreathed Faceless with Deranged Doctor
  3. Cast Flash Heal on Anduin
  4. Use the Hero Power Lesser Heal on Anduin
3 Cleansing Corruption Survive by attacking Corrupted Healbot
  1. Play Truesilver Champion
  2. Cast Seal of Light
  3. Attack Corrupted Healbot with Uther
  4. Cast both Holy Lights on Uther
4 A Dire Situation Survive by clearing Corrupted Healbot
  1. Cast Equality
  2. Attack Corrupted Healbot with Silver Hand Recruit
  3. Cast both Holy Lights on Uther
5 Double Dip Survive with Crystalsmith Kangor
  1. Play Crystalsmith Kangor
  2. Cast Forbidden Healing on Uther
6 A Priest's Feast Survive with Priest of the Feast
  1. Play Priest of the Feast
  2. Cast both Flash Heals on Anduin
  3. Cast Shadow Word: Pain on Priest of the Feast
  4. Use the Hero Power Lesser Heal on Anduin
7 Splash! Survive with Mistress of Mixtures
  1. Cast Reincarnate on Mistress of Mixtures
  2. Cast Lightning Bolt on Mistress of Mixtures
  3. Play Healing Wave and Jinyu Waterspeaker, both targeting Thrall
8 Visions of Vitality Survive by casting Shadow Visions with Priest of the Feast
  1. Play Radiant Elemental
  2. Play a Priest of the Feast
  3. Cast Shadow Visions, picking Shadow Visions, three times
  4. Cast Shadow Visions, picking Flash Heal
  5. Cast Flash Heal on Anduin
Boommaster Flark

Survival puzzle set #2 with 6 puzzles.

No. Title Description Solution Notes
1 Up for Auction Survive by refreshing the Hero Power twice with Auctionmaster Beardo
  1. Attack Booty Bay Bodyguard with Deranged Doctor
  2. Cast Topsy Turvy on Hoarding Dragon
  3. Cast Shadow Word: Pain on Hoarding Dragon
  4. Heal yourself with the Hero Power Lesser Heal
  5. Heal yourself with Flash Heal twice, then with the Hero Power
  6. Cast both Coins and heal yourself with the Hero Power
  7. Heal yourself with Light of the Naaru and Voodoo Doctor

Alternatively:

  1. Attack Booty Bay Bodyguard with Deranged Doctor
  2. Heal yourself with both Flash Heals
  3. Heal yourself with the Hero Power Lesser Heal
  4. Heal yourself with Light of the Naaru
  5. Heal yourself with Hero Power
  6. Cast Topsy Turvy on any minion
  7. Heal yourself with the Hero Power and Voodoo Doctor
2 Sowing Seeds Survive with Tree of Life
  1. Cast Floop's Glorious Gloop
  2. Play both Wisps
  3. Attack Haunted Creeper with two Wisps
  4. Cast both Poison Seeds
  5. Cast Tree of Life
3 Mechanical Medic Survive with Zilliax and Forbidden Healing
  1. Magnetize Glow-Tron and Zilliax to Flying Machine
  2. Kill Turret Sentinel with Flying Machine
  3. Cast Forbidden Healing on your hero

Alternatively:

  1. Magnetize Zilliax to Flying Machine
  2. Attack Turret Sentinel with Flying Machine once
  3. Cast Blessed Champion on Flying Machine
  4. Attack Turret Sentinel with Flying Machine again
  5. Cast Forbidden Healing on your hero
4 Lifesteel Survive with Zilliax and Forbidden Healing
  1. Play Steel Rager
  2. Magnetize Glow-Tron and Zilliax to Steel Rager
  3. Attack Target Dummy with Steel Rager
  4. Cast Battery Pack
  5. Cast Forbidden Healing on your hero
5 Double Trouble Survive with Shudderwock
  1. Play Murmuring Elemental
  2. Play Refreshment Vendor
  3. Kill one Turret Sentinel with Lava Burst
  4. Play Shudderwock
  5. Heal yourself with Antique Healbot and Healing Wave

Alternatively:

  1. Play Refreshment Vendor
  2. Play Antique Healbot
  3. Cast Forked Lightning
  4. Play Murmuring Elemental
  5. Heal yourself with Healing Wave
  6. Cast Lava Burst on Turret Sentinel
  7. Play Shudderwock
6 Revived and Refreshed Survive with Corrupted Healbots
  1. Cast Reincarnate, then Ancestral Spirit (both on Corrupted Healbot)
  2. Cast Unbeakered Lightning
  3. Play Zilliax
  4. Cast Rockbiter Weapon on Zilliax
  5. Attack Corrupted Healbot with Zilliax

Alternatively:

  1. Cast Ancestral Spirit on Corrupted Healbot
  2. Play Zilliax
  3. Cast Rockbiter Weapon on Zilliax
  4. Attack Turret Sentinel with Zilliax
  5. Cast Ancestral Spirit and Reincarnate on Corrupted Healbot
  6. Cast Unbeakered Lightning

Alternatively:

  1. Cast both Ancestral Spirits on Corrupted Healbot
  2. Cast Unbeakered Lightning
  3. Play Zilliax
  4. Cast Rockbiter Weapon on Zilliax
  5. Attack the first Corrupted Healbot with Zilliax
  6. Cast Reincarnate on the second Corrupted Healbot
Glow-Tron 2000

Survival puzzle set #3 with 6 puzzles.

No. Title Description Solution Notes
1 That's the Spirit Survive with Spirit Lash
  1. Magnetize both Replicating Menaces to Microbot
  2. Attack Turret Sentinel with Microbot
  3. Cast Spirit Lash

Alternatively:

  1. Magnetize Replicating Menace to Microbot
  2. Cast Elixir of Life on Microbot
  3. Attack Turret Sentinel with Microbot
  4. Cast Spirit Lash
  5. Cast Holy Nova or play Justicar Trueheart and heal yourself with the Hero Power Heal
2 Underhanded Dealing Survive with lifesteal minions and healing spells
  1. Cast Earthen Might and Rockbiter Weapon on one Rusty Recycler
  2. Play Vicious Scalehide next to Flametongue Totem
  3. Attack Turret Sentinel with Rusty Recyclers (firstly with 4/6 minion)
  4. Heal yourself with Jinyu Waterspeaker and Healing Wave

Alternatively:

  1. Cast Earthen Might on Turret Sentinel
  2. Play Vicious Scalehide, placing it on the far right / left
  3. Attack Turret Sentinel with Rusty Recyclers
  4. Play White Eyes
  5. Heal yourself with Jinyu Waterspeaker and Healing Wave
3 Pesky Priest Survive by lifestealing with Lightwarden
  1. Cast Light of the Naaru on Auchenai Soulpriest
  2. Cast Elixir of Life on summoned Lightwarden
  3. Cast Breakout
  4. Attack Abomination with Auchenai Soulpriest
  5. Heal yourself with Earthen Ring Farseer
  6. Cast Binding Heal on Abomination
  7. Attack Abomination with Tournament Medic
  8. Cast Circle of Healing
  9. Heal yourself with the Hero Power Lesser Heal
  10. Attack Abomination with Lightwarden

Alternatively:

  1. Play Earthen Ring Farseer, targeting Corrupted Healbot
  2. Cast Light of the Naaru on Corrupted Healbot
  3. Cast Elixir of Life on summoned Lightwarden
  4. Cast Breakout
  5. Attack Abomination with Auchenai Soulpriest
  6. Use the Hero Power Lesser Heal on Auchenai Soulpriest
  7. Cast Circle of Healing
  8. Attack Abomination with Tournament Medic
  9. Cast Binding Heal on Tournament Medic
  10. Attack Abomination with Lightwarden
4 Hallazeal? Hallaheal Survive with Hallazeal the Ascended
  1. Freeze any Turret Sentinel with Brrrloc
  2. Play Moat Lurker, targeting damaged Turret Sentinel
  3. Play Hallazeal the Ascended and Murmuring Elemental
  4. Cast Reincarnate on Turret Sentinel
  5. Cast Unbeakered Lightning

Alternatively:

  1. Freeze any Turret Sentinel with Brrrloc
  2. Play Hallazeal the Ascended
  3. Cast Reincarnate on the damaged Turret Sentinel
  4. Play Moat Lurker, targeting resurrected Turret Sentinel
  5. Play Murmuring Elemental
  6. Cast Unbeakered Lightning
5 Primal Investment Survive with Zilliax andForbidden Healing
  1. Play Zilliax
  2. Cast Blessing of Might on Zilliax
  3. Attack Bronze Gatekeeper with Zilliax
  4. Cast Forbidden Healing on Primalfin Champion
  5. Attack Turret Sentinel with Primalfin Champion, then with Mana Addict
  6. Heal yourself with Forbidden Healing
6 Healing Hands Survive with Lay on Hands
  1. Play Wickerflame Burnbristle
  2. Play Moat Lurker, targeting any Turret Sentinel
  3. Play Uther of the Ebon Blade
  4. Attack damaged Turret Sentinel with your hero
  5. Heal yourself with Lay on Hands
  6. Magnetize Steel Rattler to Microbot
  7. Attack Turret Sentinel with Microbot
  8. Heal yourself with Lay on Hands and Holy Light
Crystalsmith Kangor

Survival puzzle set #4 with 5 puzzles.

No. Title Description Solution Notes
1 Just Jaraxxus Survive with Lord Jaraxxus
  1. Cast Phasing Portal on Lord Jaraxxus
  2. Cast Demonic Research
  3. Use the Hero Power Life Tap
  4. Play Lord Jaraxxus
2 Strike Me Down Survive with hand buffs on lifesteal minions
  1. Play Moat Lurker, targeting any Turret Sentinel
  2. Play Glowstone Technician
  3. Play Wickerflame Burnbristle
  4. Play Grimestreet Outfitter
  5. Play Glowstone Technician
  6. Play both Paragons of Light

Alternatively:

  1. Play Grimestreet Outfitter
  2. Play Moat Lurker, targeting damaged Turret Sentinel
  3. Play Paragon of Light
  4. Play Glowstone Technician
  5. Play Wickerflame Burnbristle
  6. Play Paragon of Light
3 For Me? Survive with Lord Jaraxxus
  1. Attack Turret Sentinel with Nerubian Unraveler
  2. Play Tentacle of N'Zoth
  3. Cast Silence on Nerub'ar Weblord
  4. Cast Shadow Madness on Lord Jaraxxus
  5. Copy Lord Jaraxxus with Zola the Gorgon
  6. Play Lord Jaraxxus

Alternatively:

  1. Attack Turret Sentinel with Nerubian Unraveler
  2. Play Tentacle of N'Zoth
  3. Cast Silence on Nerub'ar Weblord
  4. Cast Entomb on Lord Jaraxxus
  5. Play Elven Archer, targeting Mana Wraith
  6. Play Bright-Eyed Scout
  7. Play Lord Jaraxxus
4 Risky Research Survive with Mistress of Mixtures
  1. Play Carnivorous Cube, targeting Mistress of Mixtures
  2. Cast Dark Pact on Carnivorous Cube
  3. Cast Cataclysm

Alternatively:

  1. Play Spiritsinger Umbra
  2. Play Carnivorous Cube, targeting Mistress of Mixtures
  3. Cast Dark Pact on Carnivorous Cube

Alternatively:

  1. Cast Demonic Research
  2. Play Spiritsinger Umbra
  3. Play Voodoo Doll, targeting Corrupted Healbot
  4. Play Carnivorous Cube, targeting Mistress of Mixtures
  5. Cast Dark Pacts on Mistresses of Mixtures
5 Tempting Demons Survive with Lord Jaraxxus
  1. Cast Phasing Portal on Lord Jaraxxus
  2. Cast Demonic Research
  3. Play Witchwood Piper
  4. Play Mistress of Mixtures
  5. Cast Dark Pact on Mistress of Mixtures
  6. Cast Sacrificial Pact on Witchwood Piper
  7. Play Lord Jaraxxus

The Secret Lab[edit]

These final puzzles are unlocked by completing their previous respective puzzle sets.

Blast Dr. Boom[edit]

There are 4 final lethal puzzles.

No. Title Description Solution Notes
1 Of Pirates And Patrons Lethal with Grim Patrons
  1. Play Super Soldier
  2. Play Frothing Berserker
  3. Equip Fiery War Axe
  4. Play both Dread Corsairs
  5. Attack Sludge Belcher with both Dread Corsairs
  6. Attack Slime with a 3/2 Grim Patron
  7. Cast Whirlwind
  8. Cast Slam on a 3/3 Grim Patron
  9. Attack Dr. Boom with everything
  • The strategy here is to figure out how to maximize damage by counting the damage that can be gained using all your cards, especially Whirlwind, and from the endgame board of minions.
2 Erratic Explosive Lethal with Spud M.E.
  1. Play Wild Pyromancer
  2. Cast Power Word: Tentacles on Wild Pyromancer
  3. Cast Divine Spirit on Wild Pyromancer
  4. Cast Recharge
  5. Play Violet Teacher
  6. Cast both Defiles

Alternatively:

  1. Play Violet Teacher
  2. Cast Holy Smite on Spud M.E.
  3. Play Haunted Creeper
  4. Cast Divine Spirit on any minion
  5. Cast Recharge
  6. Cast Circle of Healing or Power Word: Tentacles on any minion
  7. Cast Defile

Alternatively:

  1. Play Wild Pyromancer
  2. Cast Circle of Healing
  3. Cast Power Word: Tentacles on Wild Pyromancer
  4. Cast Divine Spirit on Wild Pyromancer
  5. Cast Holy Smite on Spud M.E.
  6. Cast Recharge
  7. Cast Defile

Alternatively:

  1. Play Wild Pyromancer
  2. Cast Circle of Healing
  3. Cast Power Word: Tentacles on Wild Pyromancer
  4. Cast Divine Spirit on Wild Pyromancer
  5. Cast Holy Smite on Wild Pyromancer
  6. Cast Recharge
  7. Use the Hero Power Reinforce
  8. Cast both Defiles
  • Taking one damage at a time, the mechanized hot potato Spud M.E. will detonate on the enemy if it starts out with even health on the player's side.
  • There are many ways to finish this puzzle.
3 Never Go Full Northshire Lethal with Northshire Clerics by fatiguing the opponent
  1. Cast Power Word: Shield on Sylvanas
  2. Play Lab Recruiter, targeting Northshire Cleric
  3. Play Wild Pyromancer
  4. Cast Binding Heal on Sylvanas
  5. Play Fungal Enchanter
  6. Play Elven Archer, targeting Lab Recruiter
  7. Cast Battery Pack
  8. Use the Hero Power Lesser Heal on Wild Pyromancer
  9. Play three Northshire Clerics
  10. Cast Treachery on Sylvanas
  11. Cast The Swap
  12. Cast Circle of Healing

Alternatively:

  1. Play Elven Archer, targeting Sylvanas
  2. Use the Hero Power Lesser Heal on Sylvanas
  3. Cast Treachery on Sylvanas
  4. Play Lab Recruiter, targeting Northshire Cleric
  5. Play Wild Pyromancer
  6. Cast Battery Pack
  7. Play Fungal Enchanter
  8. Cast Binding Heal on Sylvanas
  9. Play three Northshire Clerics
  10. Cast Power Word: Shield on Wild Pyromancer
  11. Cast The Swap
  12. Cast Circle of Healing

Alternatively:

  1. Cast Power Word: Shield on Sylvanas
  2. Play Lab Recruiter, targeting Northshire Cleric
  3. Play Wild Pyromancer
  4. Cast Binding Heal on any minion
  5. Play Fungal Enchanter
  6. Cast Battery Pack
  7. Use the Hero Power Lesser Heal on Wild Pyromancer
  8. Play two Northshire Clerics
  9. Cast Treachery on Sylvanas
  10. Play Northshire Cleric
  11. Cast The Swap
  12. Cast Circle of Healing
  • There are many ways to finish this puzzle.
  • Drawing at least 29 fatigue cards will result in at least 435 damage.
  • It is possible to have the opponent draw exactly 29 fatigue cards for exactly 435 damage.
  • It is possible to win without RNG.
  • If depending on RNG, the RNG of Lab Recruiter matters. If Wild Pyromancer becomes the bottom-most card of the deck after Lab Recruiter shuffles in Northshire Clerics, there is no effective way to deal any damage and heal to draw the last card Wild Pyromancer, or to deal damage to the whole board (using the only damage card remaining Auchenai Soulpriest) and heal to fatigue the opponent to win the game.
4 Full Northshire Lethal with Northshire Clerics by fatiguing the opponent for even more damage
  1. Play Undercover Reporter, targeting Northshire Cleric
  2. Play Elven Archer, targeting Sylvanas
  3. Cast Power Word: Shield, targeting Elven Archer
  4. Play Northshire Cleric.
  5. Use the Hero Power Lesser Heal on Sylvanas
  6. Play Northshire Cleric
  7. Cast Battery Pack and The Swap
  8. Play Wild Pyromancer
  9. Cast Treachery, targeting Northshire Cleric
  10. Play Fungal Enchanter
  11. Cast Binding Heal on Undercover Reporter
  12. Cast Circle of Healing
  • Drawing 45 fatigue cards will result in 1035 damage.
  • There is only one way to finish this puzzle.

Mirror Dr. Boom[edit]

There are 4 final mirror puzzles.

No. Title Description Solution Notes
1 Cruel Souls Mirror using minions given Rush by Houndmaster Shaw
  1. Play Prince Taldaram, targeting Abomination
  2. Attack Abomination with Abomination
  3. Play Kidnapper, targeting an enemy Sea Giant
  4. Attack a Sea Giant with Kidnapper
  5. Attack a Sea Giant with Cruel Dinomancer

Alternatively:

  1. Play Prince Taldaram, targeting Abomination
  2. Cast Soulfire on an enemy Sea Giant
  3. Attack Abomination with your own
  4. Attack a Sea Giant with Cruel Dinomancer
  5. Attack Sea Giant with Kidnapper

Alternatively:

  1. Play Prince Taldaram, targeting Cruel Dinomancer
  2. Play Kidnapper, targeting the 3/3 Cruel Dinomancer
  3. Cast Soulfire on Abomination
  4. Attack Worgen Greaser with Kidnapper
  5. Attack a Sea Giant with Cruel Dinomancer, five times
  6. Cast Silence on Cruel Dinomancer
  7. Attack Sea Giant with Cruel Dinomancer
2 Ride the Wave Mirror with a 14-damage Healing Wave
  1. Cast Archmage's Insight
  2. Cast Recycle on an Ultrasaur
  3. Attack any enemy minion with Archbishop Benedictus
  4. Attack Hoarding Dragon with Polluted Hoarder and Radiant Elemental
  5. Cast The Coin
  6. Play Archbishop Benedictus
  7. Attack Loot Hoarder with Ice Rager
  8. Cast Healing Wave on Ultrasaur
  9. Attack Reckless Rocketeer with Auchenai Soulpriest
3 Hello Darkness Mirror with The Darkness on the board
  1. Cast Archmage's Insight and Boots of Haste
  2. Cast Toxic Arrow on Dire Mole
  3. Cast Betrayal on Dire Mole
  4. Use the Hero Power Fireblast on Dire Mole
  5. Cast Vanish
  6. Cast Gloves of Mugging
  7. Play Novice Engineer
  8. Cast Naturalize on Novice Engineer
  9. Play Faceless Manipulator, targeting The Darkness
4 The Ray of Roasting Mirror using Ray of Roasting
  1. Cast Shadow Madness on Glinda Crowskin
  2. Play Prince Taldaram, targeting Aviana
  3. Play Prince Taldaram, targeting Mal'Ganis, twice
  4. Play Kun the Forgotten King, choosing Forgotten Mana
  5. Cast Ray of Roasting

Alternatively:

  1. Cast Shadow Madness on Glinda Crowskin
  2. Play Prince Taldaram, targeting Aviana
  3. Play Prince Taldaram, targeting Mal'Ganis
  4. Play Deathspeaker, targeting the 5/5 Mal'Ganis
  5. Play Kun the Forgotten King, choosing Forgotten Mana
  6. Cast Treachery on the 5/5 Mal'Ganis
  7. Attack Voidlord with Ticking Abomination
  8. Use the Hero Power Fireblast on Ticking Abomination
  9. Play Prince Taldaram, targeting Aviana
  10. Play Prince Taldaram, targeting Mal'Ganis
  11. Play Kun the Forgotten King, choosing Forgotten Mana
  12. Play Deathspeaker, targeting the 5/5 Mal'Ganis
  13. Attack Voidlord with Glinda Crowskin
  14. Play Kun the Forgotten King, choosing Forgotten Mana
  15. Cast Ray of Roasting
  • There are multiple ways to finish this puzzle.

Clear Dr. Boom[edit]

There are 4 final board clear puzzles.

No. Title Description Solution Notes
1 A Storm of Souls Clear Possessed Villagers using Gelbin's Coil
  1. Play Radiant Elemental
  2. Cast Vivid Nightmare on Gelbin's Coil
  3. Play Test Subject
  4. Cast Topsy Turvy on Test Subject
  5. Cast Topsy Turvy and two Holy Smites on the enemies
  6. Cast Shadow Word: Pain on Radiant Elemental
  7. Cast the last two Holy Smites on both Gelbin's Coils

Alternatively:

  1. Play both Radiant Elementals and Test Subject
  2. Cast Vivid Nightmare on Test Subject
  3. Cast Topsy Turvy on Test Subject 0/1
  4. Cast Vivid Nightmare on Gelbin's Coil
  5. Cast Topsy Turvy on Radiant Elemental
  6. Cast Holy Smite on Test Subject
  7. Cast Shadow Word: Pain on any Radiant Elemental
  8. Cast Holy Smites in next order: enemy minion, Gelbin's Coil, Radiant Elemental, Gelbin's Coil
2 Plugging Away Clear Mekgineer Thermapluggs with Cave Hydras
  1. Play Tundra Rhino
  2. Attack the middle Mekgineer Thermaplugg with Cave Hydra, then with Novice Engineer
  3. Attack the right Mekgineer with Novice Engineer
  4. Cast two Windfuries on Cave Hydras
  5. Attack Leper Gnome between the middle and the right Mekgineer, then the right Mekgineer with Cave Hydra
  6. Attack Leper Gnome to the right of Mekgineer, then Mekgineer with Cave Hydra
  7. Attack Mekgineer with Tundra Rhino
  8. Attack Leper Gnome with Novice Engineer

Alternatively:

  1. Play Tundra Rhino
  2. Attack the middle Mekgineer Thermaplugg with Cave Hydra
  3. Cast The Coin and all three Windfuries on Tundra Rhino and Cave Hydras
  4. Attack the left and the middle Leper Gnomes with different Cave Hydras
  5. Attack the middle Mekgineer with Cave Hydra
  6. Attack the left Mekgineer with Cave Hydra
  7. Attack Mekgineer with Tundra Rhino
  8. Attack Leper Gnomes with Novice Engineers

Alternatively:

  1. Play Tundra Rhino
  2. Attack the middle Mekgineer Thermaplugg with Cave Hydra
  3. Attack the right Mekgineer with two Novice Engineers
  4. Attack the middle Mekgineer with Novice Engineer
  5. Cast The Coin and all three Windfuries on Tundra Rhino and Cave Hydras
  6. Attack Leper Gnome between the middle and the right Mekgineer, then the middle Mekgineer with Cave Hydra
  7. Attack Leper Gnome to the right of Mekgineer, then Mekgineer with Cave Hydra
  8. Attack Leper Gnome, then Mekgineer with Tundra Rhino
3 The Test Clear a board of Test Subjects and Cairne Bloodhoofs
  1. Play Radiant Elemental
  2. Cast Inner Fire on Radiant Elemental
  3. Play Sergeant Sally
  4. Cast Divine Spirit and Vivid Nightmare on the one Test Subject
  5. Cast Shadow Word: Pain on Test Subject 0/1
  6. Cast Divine Spirit on Test Subject 0/4
  7. Cast Battery Pack
  8. Cast Shadow Word: Pain on Test Subject 0/8
  9. Cast both Divine Spirits on Sergeant Sally
  10. Cast Confuse
  11. Cast Vivid Nightmare on Sergeant Sally
  12. Use the Hero Power Fireblast on any Sergeant Sally
  13. Cast Spirit Lash
  14. Cast Shadow Word: Pain on Radiant Elemental

Alternatively:

  1. Play Radiant Elemental
  2. Cast Divine Spirit and Vivid Nightmare on the one Test Subject
  3. Cast Shadow Word: Pain on Test Subject 0/1
  4. Cast Inner Fire on the other Test Subject
  5. Repeat steps 2 and 3 (same targets)
  6. Cast Battery Pack
  7. Cast Vivid Nightmare on Radiant Elemental
  8. Play Sergeant Sally
  9. Cast Shadow Word: Pain on Test Subject 0/8
  10. Cast three Divine Spirits on Sergeant Sally
  11. Cast Confuse
  12. Cast Vivid Nightmare on Sergeant Sally
  13. Use the Hero Power Fireblast on any Sergeant Sally
  14. Play Kobold Geomancer
  15. Cast Spirit Lash

Alternatively:

  1. Play Radiant Elemental
  2. Cast Vivid Nightmare on Test Subject
  3. Cast Shadow Word: Pain on Test Subject 0/1
  4. Repeat steps 2 and 3 (same targets)
  5. Cast Inner Fire and Vivid Nightmare on Radiant Elemental
  6. Cast Shadow Word: Pain on the Test Subjects except the buffed one at steps 2 and 4
  7. Cast Battery Pack
  8. Cast Divine Spirit and Vivid Nightmare on Test Subject
  9. Cast Shadow Word: Pain on Test Subject 0/1
  10. Play Kobold Geomancer and Sergeant Sally
  11. Cast Divine Spirit on Sergeant Sally
  12. Cast two Vivid Nightmares on Kobold Geomancer
  13. Cast Shadow Word: Pain on Test Subject
  14. Cast Divine Spirit on Sergeant Sally
  15. Cast Confuse
  16. Cast Vivid Nightmare on Sergeant Sally
  17. Cast Spirit Lash
  • There are multiple ways to complete this puzzle.
  • It is possible to solve this puzzle without playing Kobold Geomancer.
4 Warlock's Apprentice Clear with Defile
  1. Cast Demonfire on Ultrasaur
  2. Play Moat Lurker on the far right, targeting Wild Pyromancer
  3. Play Arcane Anomaly (don't place it to the right of Moat Lurker)
  4. Play Ratcatcher, targeting Fearsome Doomguard (don't place it to the right of Moat Lurker)
  5. Cast Demonfire on Jade Golem
  6. Cast Bloodfury Potion on any minion (except Tyrantus)
  7. Play Void Terror on the far right
  8. Cast Defile
  • This was the hardest puzzle by far that most Twitch streamers struggled with.[3]
  • One strategy is to calculate the number of unique-health minions that are required to be on the board if the health of the maximum-health minion is known. Then the number of duplicate-health minions that are allowed on the board can also be determined.
  • It can help to make a spreadsheet of the available healths each minion can have.
  • The difficulty of the puzzle is attributed to the vast number of possible permutations of card plays and card targets available, with some sequences leading very close to a solution where only one health number is missing from the board.

Survive Dr. Boom[edit]

There are 6 final survival puzzles.

No. Title Description Solution Notes
1 Mal'Ganis and Me Survive using Soul Repressor to bring out Mal'Ganis
  1. Play Crazed Alchemist, targeting Turret Sentinel
  2. Play Unlicensed Apothecary
  3. Play Soul Repressor
  4. Destroy Soul Repressor with Ratcatcher
2 Sharing is Caring Survive using Lorewalker Cho and Azalina Soulthief
  1. Play Lorewalker Cho
  2. Copy Lorewalker Cho with Zola the Gorgon
  3. Play Lorewalker Cho and Forbidden Ancient
  4. Cast Battery Pack
  5. Cast Mark of the Lotus
  6. Cast Earthen Scales on Forbidden Ancient
  7. Play Azalina Soulthief
  8. Cast Battery Pack and both Marks of the Lotus
  9. Cast both Earthen Scales on Forbidden Ancient
3 The Path to Victory Survive using Branching Paths
  1. Magnetize Zilliax to Rusty Recycler
  2. Cast Rusty Horn on Turret Sentinel
  3. Cast Earthen Scales on Rusty Recycler
  4. Attack Turret Sentinel with Djinni of Zephyrs and Rusty Recycler
  5. Cast both Branching Paths, choosing 24 Armor

Alternatively:

  1. Cast Oaken Summons
  2. Magnetize Zilliax to Steel Rager
  3. Cast Rusty Horn on Turret Sentinel
  4. Attack Turret Sentinel with Steel Rager
  5. Play Strongshell Scavenger
  6. Cast Earthen Scales on Steel Rager
  7. Cast Branching Paths, choosing 12 Armor
  • There are multiple ways to finish this puzzle.
4 Doomed! Survive using DOOM!
  1. Cast Phasing Portal on Mal'Ganis
  2. Cast Sacrificial Pacts on Worthless Imps
  3. Cast Demonic Research and DOOM!
  4. Play Witchwood Imp and Soul Repressor
  5. Play Carnivorous Cube, targeting Soul Repressor
  6. Cast Dark Pact on Voidlord
  7. Cast DOOM!
  8. Play Flame Imp, placing it on the far left or right
  9. Play Void Terror, placing it between Soul Repressors
5 Copycats! Survive using Red Mana Wyrm
  1. Play Red Mana Wyrm
  2. Play Ixlid, Fungal Lord
  3. Cast Battery Pack
  4. Play Djinni of Zephyrs
  5. Cast Savage Roar
  6. Cast Battery Pack
  7. Play Gloop Sprayer, placing it between Djinnies of Zephyrs
  8. Cast Earthen Scales on Red Mana Wyrm
6 Fungal Frugality Survive using Mistress of Mixtures and Plated Beetles
  1. Play Explosive Sheep
  2. Play Ixlid, Fungal Lord
  3. Cast Barkskin on Ixlid
  4. Use the Hero Power Shapeshift
  5. Cast Battery Pack
  6. Play Spiritsinger Umbra
  7. Play Mistress of Mixtures
  8. Play Voodoo Doll, targeting Explosive Sheep
  9. Play Plated Beetle
  • There is only one way to finish this puzzle.

Notes[edit]

  • Revisiting a puzzle set at any time, whether having completed the puzzle set or not, will have the player continue at the puzzle where they last left off.

Tips[edit]

For all loading screen tips for Puzzle Lab, see Tips#Puzzle Lab.

Like Dr. Boom says, visualizing the endgame of a puzzle and working the puzzle backwards is a good idea towards solving these puzzles in general.

It's good to plan ahead. Me? I plan behind. Results are guaranteed.

The titles of some of the puzzles are also a hint to how the puzzle is solved.

Videos[edit]

Hearthside Chat: The Puzzle Labs with Giovanni Scarpati & Max Ma - August 16, 2018


The Boomsday Project Puzzle Lab Twitch Livestream - August 21, 2018

Trivia[edit]

The version of Power Word: Shield used in Dr. Boom's Lethal Puzzle #4 (Full Northshire).
  • The hardest puzzle by far that most streamers on Twitch struggled with was the last board clear puzzle (the "Defile" puzzle).[3]
  • From March 26 to May 12, 2020, Astromancer Arwyn's Mirror Puzzle #6 (Divine Alignment) and Dr. Boom's Lethal Puzzle #4 (Full Northshire) were impossible to complete due to card changes with Holy Smite and Power Word: Shield caused by the priest rework patch on March 26. The priest rework also affected priest cards in many other puzzles, but those puzzles were still solvable, including Test Subject #362's Mirror Puzzle #8 (Three Odd Yetis) and Dr. Boom's Lethal Puzzle #3 (Never Go Full Northshire). A hotfix to correct this problem was originally slated for April 9.[4] However, due to many unforeseen issues,[5] the fix for Puzzle Labs was delayed until May 12, 2020.
    • The fix on May 12 made different versions of the changed Priest cards available in the various puzzles. For example, in Dr. Boom's Lethal Puzzle #3 (Never Go Full Northshire), Power Word: Shield was changed to cost 0 mana and to draw a card. For example, Holy Smite appeared in two different versions, one dealing 2 damage to a minion, and another dealing 3 damage to a minion.

Patch changes[edit]

References[edit]

  1. 1.0 1.1 Daxxarri (2018-07-10). Announcing: The Boomsday Project. Retrieved on 2018-07-17.
  2. Official site - The Boomsday Project. Retrieved on 2018-07-17.
  3. 3.0 3.1 Puzzle Lab Twitch videos for trumpsc, disguisedtoasths, nl_Kripp, HSdogdog, Kolento.
  4. Chadd Nervig on Twitter. (2020-03-27). 
  5. Kerfluffle (2020-03-27). 17.0 HOTFIX UPDATE. Blizzard forums. Retrieved on 2020-04-15.