Subway Builder is a hyperrealistic transit simulation game. Build a new subway system from the ground up while dealing with real-world constraints and costs. Craft the subway system your city deserves.

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 25636185
Update posts
9 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 |
|---|---|---|
| 25636185 | Version 1.7.2 |
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 |
|---|---|
| 30 Sept 2026 | Version 1.7.2 Patch notes |
| 2 Sept 2026 | Version 1.7.0 Patch notes |
| 2 Sept 2026 | Version 1.7.0 Now Live Update |
| 7 Aug 2026 | Version 1.6.0 Now Live Update |
| 6 Aug 2026 | Version 1.6.0 Patch notes |
| 28 Jul 2026 |
| Version 1.5.0 Now Live Update |
| 28 Jul 2026 | Version 1.5.0 Patch notes |
| 18 Jul 2026 | 1.4.15 Patch notes |
| 17 Jul 2026 | Post-Launch Hotfix Patch notes |
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