About the 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.
Version Information
Steam Patch Notes
Official update history
On the site: Build 9646624
Up to date
Today's update fixes an issue where the mouse would sometimes be misaligned on Macbooks.
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Today's update fixes an issue where the game would fail to start on Macs with the new M1 processor.
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Today's update fixes the crash handler and histograms. Nothing else should be affected.
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Today's update adds a few missing Chinese strings and support for Korean characters.
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Today's update fixes a bug where the game would sometimes fail to detect keyboard input when typing code quickly while the game was running at a low framerate.
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Today's update fixes a bug that caused histograms to not load for players who were subscribed to a large number of Workshop puzzles.
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Today's update includes more small tweaks to Chinese text. If you see further updates without explanation they'll be for the same reason.
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Today's update fixes a bug introduced in the previous update that caused disabled instructions to no longer appear faded out. It also tweaks a few Chinese strings, with more changes inbound in the next few days.
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Today’s update adds a long-awaited “enhanced realism” mode to SHENZHEN I/O. This optional mode may increase the difficulty for some players, but we think the corresponding increase in authenticity is worth it!
To enable “enhanced realism” mode, go into the in-game control panel and change the language from “English” to “汉语“. Enjoy!
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To enable “enhanced realism” mode, go into the in-game control panel and change the language from “English” to “汉语“. Enjoy!
Today’s update removes the game’s dependency on the Microsoft Visual C++ 2012 Redistributable. It’s not very exciting for anyone other than me, who will hopefully get fewer support emails about this.
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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.
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Today's update fixes a crash when opening a custom puzzle or workshop puzzle with an invalid filename character in the puzzle name.
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Current Release
Build 9646624
Uploaded Mar 09, 2026
System Requirements
OS
N/A
CPU
2.0 GHz
RAM
4 GB RAM
GPU
1366 x 768
How to Install
1
Download all files
2
Extract the .RAR file to a folder (use WinRAR or 7-Zip)
3
Run Shenzhen.exe to play
Troubleshooting tips
• Run Redist/_CommonRedist installers if game won't start
• Add folder to Windows Defender exclusions
• Run as administrator
Download
Direct link available
Size
239 MB
Build
9646624
Password: cracked-games.org
CRC32
23DCAE7E
SHA-256
e5709e173438c6fe7e88d9273e21f0f45ee1ec9c95bfa1c8814893acaecd0af7
How: Right-click the downloaded file → 7-Zip / WinRAR → CRC SHA → compare with the values above.
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View AllDownload SHENZHEN I/O for PC with a direct link or via torrent. Get the full version of SHENZHEN I/O for free. SHENZHEN I/O is a Indie released by Zachtronics.