Space Engineers 2 is a playable Early Access Alpha sandbox focused on engineering, exploration, and colonization in a fully destructible universe. Design and build ships, stations, and planetary bases while uncovering the story of Miro and Ivan Sokol. Help shape the future of the Almagest system.

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 26163761
Update posts
24 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
41 hoursMiddle gap across the last 3 builds we saw
| Build | Went live | Patch notes |
|---|---|---|
| 26163761 | None posted | |
| 26128838 | Space Engineers 2: Hotfix 4.0.0.3159 | |
| 26083128 | Space Engineers 2: Hotfix 4.0.0.3155 |
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 |
|---|---|
| 20 Oct 2026 | Space Engineers 2: Hotfix 4.0.0.3155 Update |
| 19 Oct 2026 | Space Engineers 2: “Hostile Encounters” Update Live Now! Update |
| 27 Aug 2026 | Space Engineers 2: Hotfix 2.4.0.93 Update |
| 20 Aug 2026 | Space Engineers 2: Hotfix 2.4.0.86 Update |
| 17 Aug 2026 | Space Engineers 2: “Smoother, Stable & Faster” Update Live Now! Update |
| 12 Aug 2026 |
| Space Engineers 2: "Smoother, Stable & Faster" Update Launching August 17! Update |
| 16 Jul 2026 | Space Engineers 2: Hotfix 2.3.0.2798 Update |
| 13 Jul 2026 | Space Engineers 2: Hotfix 2.3.0.2793 Update |
| 10 Jul 2026 | Space Engineers 2: Hotfix 2.3.0.2790 Update |
| 9 Jul 2026 | Space Engineers 2: Hotfix 2.3.0.2788 Update |
| 7 Jul 2026 | Space Engineers 2: Hotfix 2.3.0.2783 Update |
| 21 Apr 2026 | Space Engineers 2: Classic Survival Update Update |
| 8 Apr 2026 | Space Engineers 2: Community Feedback Update 2 Update |
| 7 Apr 2026 | Space Engineers 2: Community Feedback Update Update |
| 31 Mar 2026 | Space Engineers 2: Hotfix 2.2.0.2002 Update |
| 26 Mar 2026 | Space Engineers 2: Hotfix 2.2.0.1991 "Arrowkeys" Update |
| 25 Mar 2026 | Space Engineers 2: Hotfix 2.2.0.1983 Update |
| 24 Mar 2026 | Space Engineers 2: Hotfix 2.2.0.1977 Update |
| 15 Dec 2025 | Space Engineers 2: Hotfix 2.0.2.47 Update |
| 8 Dec 2025 | Space Engineers 2: VS2 Community Feedback Update Update |
| 5 Dec 2025 | Space Engineers 2: Hotfix 2.0.2.33 Update |
| 3 Dec 2025 | Space Engineers 2: Hotfix 2.0.2.26 Update |
| 2 Dec 2025 | Space Engineers 2: Hotfix 2.0.2.21 Update |
| 30 Jun 2025 | 💻 Space Engineers 2 Alpha - Hotfix 1.5.0.3086 Update |
| 27 Jun 2025 | 💻 Space Engineers 2 Alpha - Hotfix 1.5.0.3085 Update |
| 26 Jun 2025 | 💻 Hotfix 1.5.0.2983, Developer Diary Update |
| 25 Jun 2025 | 💻 Space Engineers 2 Alpha - Hotfix 1.5.0.2982 Update |
| 16 Apr 2025 | 💻 Space Engineers 2 Alpha - Hotfix 1.2.200.4728 Update |
| 14 Mar 2025 | 💻 Space Engineers 2 Alpha - Hotfix 1.1.200.3832 Update |
| 12 Mar 2025 | 💻 Space Engineers 2 Alpha - Hotfix 1.1.200.3827 Update |
| 11 Mar 2025 | 💻 Space Engineers 2 Alpha - Hotfix 1.1.200.3825 Update |
| 4 Feb 2025 | 💻 Space Engineers 2 Alpha - Hotfix 0.12.23.35 Update |
| 3 Feb 2025 | 💻 Space Engineers 2 Alpha - Hotfix 0.12.23.34 Update |
| 29 Jan 2025 | 💻 Space Engineers 2 Alpha - Hotfix 0.12.23.31 Update |
| 28 Jan 2025 | 💻 Space Engineers 2 Alpha - Hotfix 0.12.23.30 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