# Retrom vs Zero-K

> Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.

| | Retrom | Zero-K |
|---|---|---|
| Score | 58/100 | 62/100 ✓ |
| Rank in category | #3 of 5 in Emulation | #2 of 23 in Gaming |
| GitHub stars | 2 100 ✓ | 877 |
| Stars, last 30 days | +27 | +28 ✓ |
| Stable releases, 12 months | 10 ✓ | 0 |
| Latest release | v0.8.4 · 14 Jun 2026 | — |
| Setup | Moderate | Easy ✓ |
| Official Docker image | Yes ✓ | No |
| License | GPL-3.0 | GPL-2.0 |
| Main language | Typescript | Lua |

## Which one should you pick?

Zero-K scores 62/100 against 58/100 for Retrom, so it is the safer default.

Retrom ships more often: 10 stable releases in the past year, against 0 for Zero-K.

If you want the quickest setup, Zero-K is easier to run; Retrom needs more configuration.

## Details

- [Retrom](https://selfhost.directory/project/retrom) (markdown: https://selfhost.directory/project/retrom.md)
- [Zero-K](https://selfhost.directory/project/zero-k) (markdown: https://selfhost.directory/project/zero-k.md)

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Source: https://selfhost.directory/compare/retrom-vs-zero-k