Collect awesome monsters to use during turn-based battles in this open-world RPG, now with online multiplayer mode. Combine any two monster forms using Cassette Beasts’ Fusion System to create unique and powerful new ones!

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 23569486
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 |
|---|---|---|
| 23569486 | 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 |
|---|---|
| 14 May 2025 | 1.8.2 Patch Notes Patch notes |
| 7 Apr 2025 | The “Sunshine Update” is now available! Update |
| 11 Dec 2024 | Cassette Beasts 1.7.7 Patch Notes Patch notes |
| 20 Nov 2024 | 1.7 "Gauntlet Update" Patch Notes Patch notes |
| 20 Nov 2024 | The Gauntlet Update is NOW AVAILABLE! Update |
| 25 Jun 2024 |
| Patch Notes: 1.6.0 and 1.6.2 Patch notes |
| 20 May 2024 | Multiplayer Update – Now Live! Update |
| 3 Oct 2023 | Cassette Beasts - Update 1.5 Patch notes |
| 28 Jun 2023 | Out now - 1.2 “Catacombs” Update! Update |
| 10 May 2023 | Cassette Beasts - Hotfix 1.1.3 Update |
| 27 Apr 2023 | Hotfix 1.1.2 Patch notes |
| 16 Feb 2023 | Demo - 1.0.7 Patch Update |
| 6 Oct 2022 | Demo - 1.0.1 Patch 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