Announcement
UPDATE: Fix for mouse alignment bug on Mac
Today's update fixes an issue where the mouse would sometimes be misaligned on Macbooks.
Steam
SHENZHEN I/O
Also known as SHENZHEN I/O, s1o, shenzhen i o
BUILD CIRCUITS. WRITE CODE. RTFM.
Last update
20 May 2026
Original sources
1
Latest update
Latest updates
Update history
Browse past updates and patch notes for this game.
- July 2022
- Boot up your Z5 Powerlance and dial into Last Call BBS, the last game from Zachtronics! The Barkeep’s loaded up his retro computer with a full set of puzzle games for you to download and play. No need to worry about cop…Store
- January 2021
- UPDATE: Fixing an issue with M1 MacsToday's update fixes an issue where the game would fail to start on Macs with the new M1 processor.
- November 2020
- UPDATE: Fixing the crash handler and histogramsToday's update fixes the crash handler and histograms. Nothing else should be affected.
- October 2020
- UPDATE: Minor translation itemsToday's update adds a few missing Chinese strings and support for Korean characters.
- January 2019
- UPDATE: Fix for keyboard input bugToday'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.
- December 2018
- Purchase a printed copy of the SHENZHEN I/O manual!It's probably years too late, but we've uploaded the SHENZHEN I/O manual to Lulu so that you can order a professionally printed and bound copy (no binder, though). The quality is pretty good, and at $4.99 plus shipping…
- October 2018
- UPDATE: Improved error messagesToday's update improves some error messages for when the game crashes.
- March 2018
- UPDATE: Histogram fix for high-intensity Workshop playersToday's update fixes a bug that caused histograms to not load for players who were subscribed to a large number of Workshop puzzles.
- UPDATE: Histogram fix for high-intensity Workshop playersToday's update fixes a bug that caused histograms to not load for players who were subscribed to a large number of Workshop puzzles.
- January 2018
- UPDATE: More localization tweaksToday's update includes more small tweaks to Chinese text. If you see further updates without explanation they'll be for the same reason.
- UPDATE: More localization tweaksToday'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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