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The sun vanished. Somewhere out there, a way to bring it back still exists.

From telecom to reality.

A world where everything is surrounded by text.

Coder's fever dream

Use lidar scanner to see world around you.

ENTER, SURVEY, RETURN, IGNORE.

Try to survive and perhaps eventually even tame an unknown planet in this incremental semi-idle game.

​Draw beautiful fractals, master FracFu

DLS - The Digital Logic Simulator game

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.

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

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

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

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

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

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

pay your taxes

3D Lightcycle Game

Down, down, down.

Spaceship pilot simulator, sandbox horror

a tiny, odd world.

Free game sound effects tool

​You are wetware, working a mysterious job.​

A mesmerizing cellular automata simulator.

A remake under Unity2D of the famous Conway's Game of Life.

"Zachlike" single-instruction programming game

Impossible to screenshot