Create your own nation in Millennia, a historical turn-based 4X game that challenges your strategic prowess across 10,000 years of history, from the dawn of humanity to our possible futures.

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 20214077
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 |
|---|---|---|
| 20214077 | Millennia | Update 8 Release & Final Patch Message |
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 |
|---|---|
| 3 Oct 2025 | Millennia | Update 8 Release & Final Patch Message Update |
| 7 Jan 2025 | Game Hotfix - Build Number: 1.0.23641.F Patch notes |
| 9 Dec 2024 | Millennia | Update 7 has released! Update |
| 21 Nov 2024 | Game Hotfix - Build Number: 1.0.23298.F Patch notes |
| 14 Nov 2024 | Game Hotfix - Build Number: 1.0.23158.F Patch notes |
| 12 Nov 2024 |
| Millennia | Atomic Ambitions & Update 6 Release Update |
| 28 Oct 2024 | Game Hotfix - Build Number: 1.0.22630.F Patch notes |
| 14 Oct 2024 | Game Hotfix - Build Number: 1.0.22210.F Patch notes |
| 7 Oct 2024 | Game Hotfix - Build Number: 1.0.22094.F Patch notes |
| 30 Sept 2024 | Millennia | Multiplayer Update is now Live! Update |
| 27 Aug 2024 | Game Hotfix - Build Number: 1.0.21625.F Patch notes |
| 15 Aug 2024 | Game Hotfix - Build Number: 1.0.21510.F Patch notes |
| 12 Aug 2024 | Millennia | Ancient Worlds & Update 5 Release Update |
| 17 Jun 2024 | Millennia | Update 4 Update |
| 27 May 2024 | Millennia | Update 3 Update |
| 7 May 2024 | Game Hotfix - Build Number: 1.0.23.F Patch notes |
| 6 May 2024 | Millennia | Update 2 Update |
| 3 Apr 2024 | Millennia | Future Ages & Update 0 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