Access Granted to The Puzzle Lab! — Hearthstone — Blizzard News
Rock Paper Shotgun on Twitter: "The new solo Puzzle Lab mode is out for Hearthstone. No randomness, just a problem to solve, with SCIENCE! - https://t.co/Nm5U2RoQXp https://t.co/WODpqGP2Y1" / Twitter
The Boomsday Project Adventure - Hearthstone | Battle.net
Hearthstone on Twitter: "The #Boomsday Project's challenging single-player experience, The Puzzle Lab, is now live! Log in now to receive 3 The Boomsday Project card packs for free! 💥 https://t.co/J58FVG6EPY https://t.co/N3IGxyptHS" /