SHENZHEN I/O

Zachtronics / Nov 17, 2016 / Indie, Simulation

windows
Mac
linux
Steam Deck Playable

35 playing now

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BUILD CIRCUITS. WRITE CODE. RTFM.

Can your PC run it?

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Part	Your PC	MinimumNot sure	RecommendedNot sure
CPU	Not set	2.0 GHz Can't tell	2.0 GHz Can't tell
GPU	Not set	1366 x 768 Can't tell	1920 x 1080 Can't tell
RAM	Not set	4 GB RAM Can't tell	4 GB RAM Can't tell

What's new

UPDATE: Fix for mouse alignment bug on Mac

2022-10-04

Today's update fixes an issue where the mouse would sometimes be misaligned on Macbooks.

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What players say

Very Positive

94% positive, 2,838 reviews

Recommended2 hrs played

It turns out that hundreds of hours of Factorio and Dyson Sphere Program have secretly reprogrammed my brain into a highly efficient electronic circuit engineer without my knowledge or consent.

40 found this helpful, 2026-02-02

Recommended29 hrs played

game is so good that it makes me me want to go to a province, away from electronics and society, plant a tree, build a farm, take care of animals, start a family and drink a coffee on a peaceful warm place

45 found this helpful, 2026-08-12

Recommended111 hrs played

TL;DR: 7.5 / 10 Unless you're super into (a) old-school circuit hardware programming or (b) Guangdong city names, this is not the game to start your Zachtronics journey. If you've already gleefully set out on that journey of engineering optimization, Shenzhen I/O is a worthy trail to follow. There's no logical justification for my complaints about the work-like nature of Papers, Please but celebration of...

37 found this helpful, 2026-09-09

Recommended10 hrs played

I bought this game to relax after work and somehow ended up with a second, unpaid job writing assembly for fake microcontrollers at midnight. The feeling when a stubborn puzzle finally clicks is genuinely one of the best in gaming, though I've also spent an embarrassing number of hours playing the bundled solitaire game while pretending to think about my next circuit layout. Fair warning: if any of your friends also...