Rusted Moss is a twin-stick shooter metroidvania where you sling around the map with your grapple, blasting your way through witches and rusted machine monstrosities alike. This wasteland once harboring mankind has since fallen, and Fae long forgotten now knock on humanity's door...

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 21324001
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 |
|---|---|---|
| 21324001 | 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 Jul 2025 | 3.94 Hotfix Patch Notes Patch notes |
| 28 Feb 2025 | Rusted Moss Winter Update is out!! Update |
| 8 Jan 2025 | Rusted Moss - Winter Update Announcement! Update |
| 1 Nov 2024 | Halloween Update - Ameli is here! Update |
| 10 Sept 2024 | New Update: Redesigned boss fight (SPOILERS!!) Update |
| 22 Aug 2024 |
| 1.61 Hotfix Patch Notes Patch notes |
| 19 Aug 2024 | 1.60 Hotfix Patch Notes Patch notes |
| 29 Jul 2024 | 1.37 Hotfix Patch Notes Patch notes |
| 24 Jul 2024 | 1.36 Hotfix Patch Notes Patch notes |
| 16 Jul 2024 | Mod support added + 1.35 Hotfix Update |
| 28 Jun 2024 | Main + DLC 1.34 Hotfix Patch Notes Patch notes |
| 26 Jun 2024 | Main + DLC 1.32 Hotfix Patch Notes Patch notes |
| 21 Jun 2024 | Main + DLC 1.28 Hotfix Patch Notes Patch notes |
| 20 Jun 2024 | Major Content Update Out Now! Update |
| 28 Sept 2023 | 1.47 Hotfix Patch Notes Patch notes |
| 31 Aug 2023 | Level Editor Update Out Now! Update |
| 14 Aug 2023 | 1.46.5 Hotfix Patch Notes Patch notes |
| 4 Aug 2023 | Rusted Moss Accessibility Update Out Now! Update |
| 23 May 2023 | In-depth 1.42.5 Patch Notes (More detailed, may contain spoilers) Patch notes |
| 18 May 2023 | 1.42.5 Patch Notes: Includes Bugs Fixes, Balances, and QoL Changes Patch notes |
| 14 Apr 2023 | Patch Notes for Crash/Freeze/Save Data bugs and QoL Changes Patch notes |
| 5 Dec 2022 | Hot Fix for Chinese, Korean, Portuguese, Spanish Patch notes |
| 13 Sept 2022 | Editor hotfix #1 Patch notes |
| 12 Sept 2022 | The Level Editor Update + Bug Fixes Update |
| 31 Aug 2022 | Delay in August Update and changes to its content Patch notes |
| 9 Aug 2022 | Audio Bug, Localisation, demo save file compatibility, Discord, and more updates Update |
| 17 Jul 2022 | Hotfix #8 + Custom palettes. Patch notes |
| 1 Jul 2022 | Hotfix + Custom language support Patch notes |
| 19 Jun 2022 | Hotfix 6.5 Patch notes |
| 18 Jun 2022 | Hotfix 6 Patch notes |
| 15 Jun 2022 | Hotfix 5.5 Patch notes |
| 15 Jun 2022 | June hotfix #5 Patch notes |
| 13 Jun 2022 | June hotfix #4 Patch notes |
| 12 Jun 2022 | June hotfix #3 Patch notes |
| 11 Jun 2022 | June hotfix 2 Patch notes |
| 10 Jun 2022 | June hotfix 1 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