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SpaceChem is an obscenely addictive, design-based puzzle game about fake science!

Brave hundreds of hand-crafted challenges as you help Madeline survive her journey to the top of Celeste Mountain!

A visual novel about an AI counseling program, the people who develop it, and the people who use it.

SHENZHEN I/O: BUILD CIRCUITS. WRITE CODE. RTFM.

a little exploration game about hiking up a mountain

A mind-bending recursive puzzle game about boxes within boxes within boxes within boxes.

All seven Zachtronics solitaire games, updated with new 4K graphics, plus one brand new Tarot-themed solitaire variant.

Master the intricate, physical machinery of the transmutation engine— the alchemical engineer’s most advanced tool!

​The year is 1997. You used to be a hacker, but now you have the phage.

At the end of everything, hold onto anything.

Use the MOLEK-SYNTEZ to create small molecules with various pharmacological effects.

An online and local party game of teamwork and betrayal for 4-15 players

Defend America from an alternate-universe America using state-of-the-art 1980s military hardware.

Build factories that assemble products for your alien overlords, and try not to die in the process.

Animated sprite editor & pixel art tool

Boot up your Z5 Powerlance and dial into Last Call BBS, the last game from Zachtronics!

(Through Puzzling Exhibitions)

A puzzle game where you change the rules. Also award-winning!

DLS - The Digital Logic Simulator game

Fighting against fortune would be a lot easier if you weren't a walking dice.

Remember: Losing is fun!