Build your base on the train. Explore the exoplanet, face dangerous wildlife, and discover what happened to the human colony on this planet. Upgrade your train and combine gear to survive in a hostile environment. Play solo or team up with friends in co-op!

Public builds
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Counted once we have watched for 90 days (since 21 Oct 2026)
Distinct builds deployed to a game's public (default) Steam branch, as Steam's client network describes them.
Checked within minutes of each Steam change. Observed since 21 Oct 2026.
Source: Steam client network (PICS), App info, public branch. Full methodology
Latest public build
Build 26298490
Update posts
14 postsPosts announcing an update, tagged or not
Posts in a game's official Steam news feed that announce an update: tagged as patch notes by the developer, or plainly about a patch or a released update.
Source: Steam Web API, ISteamNews/GetNewsForApp. Full methodology
Typical gap between builds
Not enough builds yet| Build | Went live | Patch notes |
|---|---|---|
| 26298490 | Update 0.5.7 | |
| 25910017 | Update 0.5.6 |
From Steam’s client network, last checked . Builds before 21 Oct 2026, when we started watching, aren't listed. Patch notes are the developer’s update post from an hour before to a day after the build. Not every build gets one. How we count
| Posted | Update |
|---|---|
| 13 Oct 2026 | Update 0.5.6 Update |
| 30 Sept 2026 | Update 0.5.5 Update |
| 14 Sept 2026 | Update 0.5.3 Update |
| 8 Sept 2026 | Update 0.5.2 Update |
| 31 Aug 2026 | Update 0.5 is released! Update |
| 10 Aug 2026 |
| 3 Aug 2026 | Hotfix 0.4.7 Patch notes |
| 31 Jul 2026 | Update 0.4.6 Update |
| 27 Jul 2026 | Update 0.4.5 Update |
| 24 Jul 2026 | Hotfix 0.4.4 Patch notes |
| 22 Jul 2026 | Hotfix 0.4.3 Patch notes |
| 27 Apr 2026 | Skill tree and train modifications Demo update Update |
| 25 Feb 2026 | Demo Hotfix (Camera and Movement) (Feb-25) Update |
Steam keeps no record of past build numbers, so before 21 Oct 2026 a game’s update history comes from its own Steam news: posts tagged as patch notes, and untagged posts that plainly announce a patch or a released update. Older posts are still being read in, most played games first. How we count