Build your own global colonies on distant worlds. Manage energy and resource supplies and produce goods for space trade. Form economic and diplomatic alliances or take over competing corporations. Conduct research to protect your colonists from disasters and avoid a climate crisis.

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 21788655
Update posts
3 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 |
|---|---|---|
| 21788655 | None posted |
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 |
|---|---|
| 25 Jan 2026 | Update 1.21.9 Patch notes |
| 13 Jan 2026 | Update 1.21.8 Patch notes |
| 28 Dec 2025 | Update 1.21.5 - Unity 6.3 LTS Patch notes |
| 16 Apr 2025 | Update 1.19 Patch 4 Patch notes |
| 11 Apr 2025 | Update 1.19 Patch 2 Patch notes |
| 21 Jun 2024 |
| Game Update 1.17 Update |
| 21 Sept 2023 | Update 1.14.3 Patch notes |
| 19 Aug 2023 | Update 1.14.1 Patch notes |
| 9 Aug 2023 | Hotfix 1.13.1 Patch notes |
| 28 Jul 2023 | Customizable Keyboard Controls Patch notes |
| 22 Apr 2023 | Update 1.11.5 Patch notes |
| 10 Apr 2023 | 1.11.4 - They speak to us again Patch notes |
| 28 Feb 2023 | Imagine Earth Update 1.10 is here Update |
| 25 Sept 2022 | Imagine Earth Update 1.9 is here Update |
| 21 May 2022 | Nature Update Update |
| 25 Apr 2022 | Full Control - Major Update Optimising the Interface Update |
| 15 Apr 2022 | Happy Easter Crash Patch notes |
| 17 Jan 2022 | Update 1.5.2 - Challenge Seasons Hotfix 2 Patch notes |
| 15 Jan 2022 | Update 1.5.1 - Challenge Seasons Hotfix 1 Patch notes |
| 29 Nov 2021 | Update 1.4.1 - Weekly Challenges Hotfix 1 Patch notes |
| 20 Sept 2021 | Update 1.3 - Czech Version, Bug Hunt, Outlook into Daily Missions Mode Update |
| 10 Aug 2021 | Update 1.2 - Minimalist campaign mode and new vegetations Update |
| 9 Jul 2021 | Convenience Update 1.1 | Hotfix 1 Patch notes |
| 5 Jul 2021 | Convenience Update 1.1 Update |
| 14 Jun 2021 | Full Release Update | Hotfix #2 Patch notes |
| 2 Jun 2021 | Full Release Update | Hotfix #1 Patch notes |
| 25 May 2021 | Imagine Earth - Planetary Colonization | Full Release Update - Out now! Update |
| 22 May 2021 | Update 0.66.13 Patch notes |
| 20 May 2021 | Update 0.66.12 Patch notes |
| 18 May 2021 | Update 0.66.11 Patch notes |
| 14 May 2021 | Update 0.66.10 Patch notes |
| 13 May 2021 | Update 0.66.9 Patch notes |
| 8 May 2021 | Update 0.66.5 Patch notes |
| 6 May 2021 | Balancing & AI Update Update |
| 20 Apr 2021 | Last before release update | Hotfix #1 Patch notes |
| 16 Apr 2021 | Imagine Earth – Last Big Early Access Update Update |
| 9 Mar 2021 | Hotfix #64.6 Patch notes |
| 22 Feb 2021 | Hotfix #64.4 Patch notes |
| 19 Feb 2021 | Hotfix #64.3 Patch notes |
| 12 Feb 2021 | Hotfix #64.2 Patch notes |
| 11 Feb 2021 | Patch #64.1 Patch notes |
| 12 Sept 2020 | Imagine Earth is now in Turkish! Patch notes |
| 29 May 2020 | Hotfix #58.4 Patch notes |
| 18 May 2020 | Hotfix #58.3 Patch notes |
| 15 May 2020 | Hotfix #58.2 Patch notes |
| 14 May 2020 | Update #58 Asteroids vs. Space Invaders Update |
| 28 Mar 2020 | Graphics Booster Patch notes |
| 19 Jul 2019 | #54 Geo Engineering Patch notes |
| 29 May 2019 | #53 "Steam Workshop" Patch notes |
| 14 Apr 2019 | #52 – French Stock Market Hack Patch notes |
Showing the latest 50 of 96. Show all
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