Idle Commonwealth is an idle game that pays homage to the best of the idle genre. Start small, grow your commonwealth, maintain morale, establish governance, invent technologies, trade and conquer your neighbors.

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 18760780
Update posts
0 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 |
|---|---|---|
| 18760780 | Version 1.01 |
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 |
|---|---|
| 6 Jun 2025 | Version 1.01 Patch notes |
| 17 May 2025 | Version 0.940 Patch notes |
| 3 May 2025 | Version 0.923 Patch notes |
| 26 Apr 2025 | Version 0.921 Patch notes |
| 19 Apr 2025 | Version 0.916 Patch notes |
| 12 Apr 2025 |
| Version 0.915 Patch notes |
| 6 Apr 2025 | Version 0.911 Patch notes |
| 2 Apr 2025 | Version 0.910 Patch notes |
| 31 Mar 2025 | Version 0.907 Patch notes |
| 29 Mar 2025 | Version 0.906 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