User reviews:
Very Positive (13 reviews) - 92% of the 13 user reviews in the last 30 days are positive.
Overwhelmingly Positive (893 reviews) - 97% of the 893 user reviews for this game are positive.
Release Date: Nov 17, 2016

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Buy The Zachtronics Puzzle Pack BUNDLE (?)

Includes 4 items: SpaceChem, Infinifactory, TIS-100, SHENZHEN I/O


Recent updates View all (36)

January 19

UPDATE: Better text rendering

Today's update improves the text rendering in SHENZHEN I/O. It shouldn't be noticeable, unless you look really closely at the spacing between letters, at which point it should be incredibly satisfying compared to our old text renderer.

11 comments Read more

December 27, 2016

UPDATE: conceptSPEC crash fix

Today's update fixes a crash when opening a custom puzzle or workshop puzzle with an invalid filename character in the puzzle name.

3 comments Read more

About This Game

  • Build circuits using a variety of components from different manufacturers, like microcontrollers, memory, logic gates, and LCD screens.
  • Write code in a compact and powerful assembly language where every instruction can be conditionally executed.
  • Read the included manual, which includes over 30 pages of original datasheets, reference guides, and technical diagrams.
  • Get to know the colorful cast of characters at your new employer, 深圳龙腾科技有限公司 (Shenzhen Longteng Electronics Co., Ltd.), located in the electronics capital of the world.
  • Get creative! Design and test your own games and devices in the sandbox.
  • Engineering is hard! Take a break and play a brand-new twist on solitaire.

System Requirements

Mac OS X
SteamOS + Linux
    • OS: Windows Vista / 7 / 8 / 10
    • Processor: 2.0 GHz
    • Memory: 4 GB RAM
    • DirectX: Version 10
    • Storage: 450 MB available space
    • OS: macOS 10.9+
    • Processor: 2.0 GHz
    • Memory: 4 GB RAM
    • Storage: 450 MB available space
    • OS: Ubuntu 16.04+, SteamOS
    • Processor: 2.0 GHz
    • Memory: 4 GB RAM
    • Graphics: OpenGL 3.0
    • Storage: 450 MB available space
Customer reviews Learn More
Very Positive (13 reviews)
Overwhelmingly Positive (893 reviews)
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