The pool bar is always open! Ultrapool is a colorful roguelike about playing pool with a bunch of wacky balls with crazy effects. Carefully craft a perfect build and get the craziest trickshots!

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 25939327
Update posts
7 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 |
|---|---|---|
| 25939327 | 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 |
|---|---|
| 5 Oct 2026 | v0.17.2 Patch notes - The Halloween Update! Update |
| 14 Sept 2026 | 🎱 v0.15.7 Patch Notes (Beta) Patch notes |
| 4 Sept 2026 | 🎱 v0.15.0 Patch Notes Patch notes |
| 31 Aug 2026 | New Beta Branch Available Patch notes |
| 27 Aug 2026 | V0.14.14 Patch Notes Patch notes |
| App | Players now | Latest build |
|---|---|---|
| Ultrapool Playtest · App 4522900 | Not yet | 25604021 · |
Separate Steam apps for test, staging and playtest versions of Ultrapool. They have no store page, so they aren’t counted as games or releases. Builds come from Steam’s client network, players from the Steam Web API every few hours. Steam gives no count for an app nobody can launch. How we count
| 27 Aug 2026 |
| Emergency rollback Patch notes |
| 25 Aug 2026 | V0.14.13 patch notes 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