Opus Magnum is the latest open-ended puzzle game from Zachtronics, the creators of SpaceChem, Infinifactory, and SHENZHEN I/O. Design and build machines that assemble potions, poisons, and more using the alchemical engineer’s most advanced tool: the transmutation engine!

Virtual Circuit Board is the sandbox drawing-based logic simulator where you can build, program, decorate, and simulate anything from simple monochrome circuits to complex and colorful computers. Play with digital logic in this sandbox-only experience.

Retro Gadgets is a sandbox where you build, code, and customize gadgets inspired by old-school electronics.

Use the MOLEK-SYNTEZ to create small molecules with various pharmacological effects from the comfort of your small Romanian apartment.

Build, debug and optimize a computer network in an underground facility.

Design, build and wire up your own unique robot to complete challenging logic puzzles. LogicBots is a puzzle game where robots are used to complete the various levels.

BUILD CIRCUITS. WRITE CODE. RTFM.

Invent a new computer! Logic World is a first-person sandbox simulation game that's all about digital logic. Play alone or with friends, design unique machines, build up layers of complexity, and experience the joy of circuits!

Program little office workers to solve puzzles. Be a good employee! The machines are coming... for your job. From the creators of World of Goo and Little Inferno.

[the Sequence] is a logic construction puzzler.Let your mind be your guide: Lay down seven different kinds of modules as your roadblocks to get you (portrayed as a binary data point) to a sweet destination.Apply an out-of-the-box thinking to get you to the next level!

Set in a post-apocalyptic future, The Signal State puts your logic skills to the test with complex puzzles inspired by modular synthesizers. Repair machines, rebuild an abandoned farm, and be part of a revolution that will change the fate of agriculture once and for all.

Automate swarms of office workers to solve puzzles inside your very own parallel computer made of people. A thrilling followup to the award winning Human Resource Machine. Now with more humans!