# OpenTTD vs Terraforming Mars

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

| | OpenTTD | Terraforming Mars |
|---|---|---|
| Score | 73/100 ✓ | 62/100 |
| Rank in category | #1 of 23 in Gaming | #4 of 14 in Gaming |
| GitHub stars | 8 434 ✓ | 961 |
| Stars, last 30 days | +137 ✓ | +9 |
| Stable releases, 12 months | 4 ✓ | 0 |
| Latest release | 15.3 · 4 Apr 2026 | — |
| Setup | Moderate | Moderate ✓ |
| Official Docker image | No | Yes ✓ |
| License | Other | GPL-3.0 |
| Main language | C | Typescript |

## Which one should you pick?

OpenTTD scores 73/100 against 62/100 for Terraforming Mars, so it is the safer default.

OpenTTD ships more often: 4 stable releases in the past year, against 0 for Terraforming Mars.

OpenTTD is growing faster right now (+137 stars in 30 days).

## Details

- [OpenTTD](https://selfhost.directory/project/openttd) (markdown: https://selfhost.directory/project/openttd.md)
- [Terraforming Mars](https://selfhost.directory/project/terraforming-mars) (markdown: https://selfhost.directory/project/terraforming-mars.md)

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Source: https://selfhost.directory/compare/openttd-vs-terraforming-mars