SHENZHEN I/O
Programming puzzles about building circuits and coding tiny chips
Zachtronics · Released Nov 17, 2016
- Reviews
- Overwhelmingly Positive
- 95% of 3,903
- Recent reviews
- Very Positive
- 83% of 12 in 30 days
- Players
- 26
- daily peak, Nov 7, 2026
- Steam Deck
- Playable
- Last update on Steam
- 4 years ago
- Oct 4, 2022
What is SHENZHEN I/O?
As a new employee at a Shenzhen electronics company, you solve programming puzzles by placing circuit components and writing assembly code for microcontrollers. You consult a technical manual as you work, and a sandbox lets you design and test your own devices.
For you if...
- +you enjoy optimizing solutions to challenging programming puzzles
- +you like assembling circuits from individual electronic components
- +you are willing to learn from technical reference manuals
Not for you if...
- −you want step-by-step guidance instead of reading datasheets
- −you dislike strict limits on code and board space
What players say
95% of 3,903 reviews are positive · 83% of 12 in the last 30 days
Players praise the satisfaction of getting difficult circuits working and refining their designs. Complaints center on the steep learning curve, limited guidance, and restrictive code and board space.
Players over time
▼ -32% vs a month agoPlayers online on Steam, one sample a day.
Highest since Sep 2026: 49 players on Sep 21, 2026.
Show the data
| Day | Players |
|---|---|
| Nov 7, 2026 | 26 |
| Nov 6, 2026 | 24 |
| Nov 5, 2026 | 25 |
| Nov 4, 2026 | 26 |
| Nov 3, 2026 | 33 |
| Nov 2, 2026 | 31 |
| Nov 1, 2026 | 26 |
| Oct 31, 2026 | 23 |
| Oct 30, 2026 | 31 |
| Oct 29, 2026 | 24 |
| Oct 28, 2026 | 27 |
| Oct 27, 2026 | 26 |
| Oct 26, 2026 | 26 |
| Oct 25, 2026 | 29 |
| Oct 24, 2026 | 21 |
| Oct 23, 2026 | 25 |
| Oct 22, 2026 | 25 |
| Oct 21, 2026 | 24 |
| Oct 20, 2026 | 16 |
| Oct 19, 2026 | 25 |
| Oct 18, 2026 | 35 |
| Oct 17, 2026 | 28 |
| Oct 16, 2026 | 22 |
| Oct 15, 2026 | 24 |
| Oct 14, 2026 | 23 |
| Oct 13, 2026 | 34 |
| Oct 12, 2026 | 32 |
| Oct 11, 2026 | 39 |
| Oct 10, 2026 | 39 |
| Oct 9, 2026 | 39 |
| Oct 8, 2026 | 44 |
| Oct 7, 2026 | 45 |
| Oct 6, 2026 | 43 |
| Oct 5, 2026 | 36 |
| Oct 4, 2026 | 36 |
| Oct 3, 2026 | 32 |
| Oct 2, 2026 | 33 |
| Oct 1, 2026 | 27 |
| Sep 30, 2026 | 33 |
| Sep 29, 2026 | 38 |
| Sep 28, 2026 | 31 |
| Sep 27, 2026 | 41 |
| Sep 26, 2026 | 31 |
| Sep 25, 2026 | 34 |
| Sep 24, 2026 | 30 |
| Sep 23, 2026 | 26 |
| Sep 23, 2026 | 35 |
| Sep 22, 2026 | 45 |
| Sep 21, 2026 | 49 |
How many players finish SHENZHEN I/O?
2.4% of Steam players have unlocked «EMPLOYEE OF THE MONTH», the achievement for finishing the main story.
Share of everyone who owns the game on Steam, including those who barely played it. Updated weekly.
Screenshots and trailer
SHENZHEN I/O system requirements
Minimum: 1366 x 768, 4 GB RAM, 0.4 GB of disk space.
As published by the developer.
Can my PC run SHENZHEN I/O?
The published requirements do not name a graphics card we can compare.
Set up my PC →Minimum
- OS
- Windows Vista / 7 / 8 / 10
- Processor
- 2.0 GHz
- Graphics
- 1366 x 768
- Memory
- 4 GB RAM
- Storage
- 450 MB available space
- DirectX
- Version 11
Recommended
- OS
- Windows Vista / 7 / 8 / 10
- Processor
- 2.0 GHz
- Graphics
- 1920 x 1080
- Memory
- 4 GB RAM
- Storage
- 450 MB available space
- DirectX
- Version 11
Does SHENZHEN I/O have co-op or multiplayer?
No: single-player only, no multiplayer modes declared.
Does SHENZHEN I/O run on Steam Deck?
Playable Playable: it runs on Steam Deck with some adjustments.
- Sometimes shows mouse, keyboard or non-Deck controller icons
- Some text entry requires manually opening the on-screen keyboard
- All functionality is accessible with the default controller configuration
- In-game text is legible on Steam Deck
- Default graphics settings perform well on Steam Deck
PC version details
- DRM
- None declared on Steam
- Controller
- Keyboard and mouse
- Platforms
- Windows, macOS, Linux
- Achievements
- 6
- Steam features
- Workshop, Cloud saves, Family Sharing
- Languages
- Text only: English, Simplified Chinese.
Does SHENZHEN I/O use AI-generated content?
No AI-generated content is disclosed on the game's Steam page.
Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 25, 2026. How to filter AI games on Steam
Tags
- Programming
- Automation
- Puzzle
- Logic
- Simulation
- Difficult
- Indie
- Education
- Singleplayer
- Sandbox
- Building
- Great Soundtrack
- Hacking
- 2D
- Solitaire
- Psychological Horror
Recent updates
- Oct 4, 2022 · UPDATE: Fix for mouse alignment bug on Mac
- Jan 3, 2021 · UPDATE: Fixing an issue with M1 Macs
- Nov 14, 2020 · UPDATE: Fixing the crash handler and histograms
- Oct 15, 2020 · UPDATE: Minor translation items
- Jan 2, 2019 · UPDATE: Fix for keyboard input bug