# Shenzhen I/O

13 Hacker News commenters recommended Shenzhen I/O and 1 criticized it, November 2025 to November 2026. It was recommended in 5 of 13 months. It meets the Hacker Approved badge rule.

**Verdict:** Recommended for capturing what makes programming fun and mimicking an embedded developer's work environment. Caveat: minor differences from real hardware bother some engineers.

## Why people recommend it

- Part of well-regarded Zachtronics games (3 comments): "All games by Zachtronics can be highly recommended to this crowd here" ([source](https://news.ycombinator.com/item?id=48776996)) "Notable mention also to The Signal State, Shenzhen I/O, and TIS100" ([source](https://news.ycombinator.com/item?id=47647838)) "I can highly recommend TIS-100 and SHENZHEN I/O from Zachtronics" ([source](https://news.ycombinator.com/item?id=46708188))
- Captures what makes programming fun (2 comments): "with the LLM mandates made me have more fun playing Shenzhen I/O than actually programming at work" ([source](https://news.ycombinator.com/item?id=48767511)) "do a wonderful job of capturing the essence of what makes programming fun" ([source](https://news.ycombinator.com/item?id=48765874))
- Mimics embedded developer work environment (2 comments): "It mimics the typical work environment of an embedded developer" ([source](https://news.ycombinator.com/item?id=48928154)) "I tried to get my son into it for just this reason." ([source](https://news.ycombinator.com/item?id=46901764))
- Story and flavor touches (2 comments): "I only bought it because I liked the tidbits of story in Shenzhen and Infinifactory" ([source](https://news.ycombinator.com/item?id=48767788)) "I really liked the flavor of solitaire they put into Shenzhen IO" ([source](https://news.ycombinator.com/item?id=49807788))

## What people warn about

- Minor differences from real hardware (1 comments): "for hardware engineering the minor differences with reality drive me crazy" ([source](https://news.ycombinator.com/item?id=48772553))
- Needs the right tools (1 comments): "It's fun to solve such problems but only with the right tools." ([source](https://news.ycombinator.com/item?id=49905957))

## Alternatives hackers recommend

- [Outer Wilds](https://hackerapproved.com/p/outer-wilds.md): 65 recommend
- [enclose.horse](https://hackerapproved.com/p/enclose-horse.md): 64 recommend
- [The Witness](https://hackerapproved.com/p/witness.md): 60 recommend
- [Braid](https://hackerapproved.com/p/braid.md): 36 recommend
- [Blue Prince](https://hackerapproved.com/p/blue-prince.md): 30 recommend

## Where to get it

- [Visit the official site](https://www.zachtronics.com/shenzhen-io/)

## Cite as

Hacker Approved, "Shenzhen I/O", https://hackerapproved.com/p/shenzhen-i-o/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).
