# SpaceChem by Zachtronics

8 Hacker News commenters recommended SpaceChem by Zachtronics and 0 criticized it, November 2025 to November 2026. It was recommended in 3 of 13 months.

**Verdict:** People recommend SpaceChem for its demanding, satisfying puzzles and its unusual design, where instructions sit inside the work area and watching your solution run is rewarding.

## Why people recommend it

- Lasting favorite for many players (3 comments): "Spacechem is not only what made me start playing games again but playing with computers altogether after a rough couple of years, and will forever be one of my favourite gaming experiences." ([source](https://news.ycombinator.com/item?id=48767853)) "Still great, even after all these years" ([source](https://news.ycombinator.com/item?id=48767009)) "My favorite game of all time." ([source](https://news.ycombinator.com/item?id=48767622))
- Unusually cool concept (2 comments): "The concept of instructions inside the actual work area is amazing and still makes my head spin." ([source](https://news.ycombinator.com/item?id=48766695)) "one of the coolest games I've ever played" ([source](https://news.ycombinator.com/item?id=47978743))
- Satisfying puzzle solving (2 comments): "it was satisfying to figure out a solution and just watch it create the molecules" ([source](https://news.ycombinator.com/item?id=48771071)) "SpaceChem is the more demanding puzzle and the better game." ([source](https://news.ycombinator.com/item?id=49914251))
- Praised as a Zachtronics game (2 comments): "All games by Zachtronics can be highly recommended to this crowd here" ([source](https://news.ycombinator.com/item?id=48776996)) "SpaceChem is the more demanding puzzle and the better game." ([source](https://news.ycombinator.com/item?id=49914251))

## 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/)

## Cite as

Hacker Approved, "SpaceChem by Zachtronics", https://hackerapproved.com/p/spacechem/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).