itch.io

A collection of curious solitaires

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

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

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

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

Ironclad Tactics is a fast-paced, card-based tactics game set in an alternate history Civil War – with robots!

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

Remember: Losing is fun!

(Through Puzzling Exhibitions)

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

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

Unravel a real CIA conspiracy

a little exploration game about hiking up a mountain

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

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

Place your faith and embrace the Void.

It’s the assembly language programming game you never asked for!

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

Chisel through a layer cake of thousand-year-old civilizations.

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

Defend the Yondering Lands in turn-based combat and grow a band of reluctant farmers into unique legends.