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UnderParty UnderParty is an Action Platformer game. This game is made up of a very high level of difficulty. It's very violent, so be careful.
Public builds
—No reading yet
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 21980073
Update posts
1 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 yetPublic Builds| Build | Went live | Patch notes |
|---|---|---|
| 21980073 | Update 2026.02.18. |
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
Earlier Updates| Posted | Update |
|---|---|
| 18 Feb 2026 | Update 2026.02.18. Patch notes |
| 28 Jan 2021 | Bug Fix Patch notes |
| 23 Jan 2021 | v 1.1.6 D Update Update |
| 12 Jan 2021 | v 1.1.6 Update Update |
| 25 May 2020 | v.1.1.0 SWEEPING OPERATION UPDATE Update |
| 4 Apr 2020 | Controller Default Setting v.1.0.2 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
