itch.io

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

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

Remember: Losing is fun!

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

A puzzle roguelike in hyperbolic plane

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

What is the longest possible length a bird can be? Obviously a question only all the fruit in the world can answer!

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

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

How long can you keep the city moving?

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

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

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

a little exploration game about hiking up a mountain

At the end of everything, hold onto anything.

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

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

A difficult puzzle game about plumbing.

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

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