With 3.68 quintillion possible builds, no run is the same. Mix 10 astronauts, 10 ships, and 100+ upgrades in a relentless roguelite top-down shooter where alien swarms and brutal bosses push every skill to the limit. Adapt, experiment, and fight to survive the chaos

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 22473181
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 |
|---|---|---|
| 22473181 | Cosmic Carnage Update 1.2.3 - Boss unlock fixes, All astronauts can now reroll |
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 |
|---|---|
| 24 Mar 2026 | Cosmic Carnage Update 1.2.3 - Boss unlock fixes, All astronauts can now reroll Patch notes |
| 22 Mar 2026 | Cosmic Carnage Update 1.2.2 - Carnage Boss 1-5 Added Update |
| 7 Mar 2026 | Cosmic Carnage Update 1.2.1 Patch notes |
| 5 Mar 2026 | Cosmic Carnage Update 1.2 - Carnage Level 22 Endless Mode Added Update |
| 22 Feb 2026 | New Leaderboards Fix Update |
| 21 Feb 2026 |
| Cosmic Carnage Update 1 - New Heat Bars, Difficulty Modes Update |
| 11 Feb 2026 | Cosmic Carnage Update 0.9 Update |
| 10 Feb 2026 | Cosmic Carnage Update 0.8 Update |
| 9 Feb 2026 | Cosmic Carnage Update 0.7 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