The Puzzle Lab is now available in Hearthstone

The Boomsday Project expansion for Hearthstone has brought a new single-player challenge - The Puzzle Lab. If you log into the game in next couple days you will receive 3 free card boosters of the latest expansion.

Each stage represents one of four different puzzle types: Lethal, Mirror, Board Clear, or Survival. The player can do puzzles in any order, so if you get stuck you can try another one.

Defeat the final boss Dr.Boom and you will find The Boomsday! card back in your collection.