Shenzhen I/O
Image source: Steam store page
A Zachtronics puzzle game in which you work as an engineer at an electronics company in Shenzhen, building gadgets to order.
How you code
You place components such as microcontrollers, memory and displays on a circuit board, wire them up, and program the microcontrollers in a compact assembly language. The manual that comes with the game, full of datasheets, is part of the puzzle. Solutions are compared on cost, power use and code size.
Details
Categories: Code puzzlers
Platforms: Windows, macOS, Linux
Cost: Paid
Language: Invented (assembly)
Last verified: 2026-10-08