circloO is a colorful physics platformer in a round level. The level grows, so you'll have to avoid and use obstacles in everchanging ways. Enjoy a huge variety of physics challenges, from a sea of tiny blocks to planets with a gravity field! Make your own levels or play thousands of fanmade levels!

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 22726163
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 |
|---|---|---|
| 22726163 | 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 |
|---|---|
| 24 Sept 2024 | Update 1.13: New Levels, Editor Additions Update |
| 9 Apr 2024 | Update 1.12: New Levels, Small Improvements Patch notes |
| 21 Mar 2024 | Update 1.11: Leaderboards, Editor Multi-Select, Moveable Portals, and More! Update |
| 3 Feb 2024 | Update 1.10: Music, Bigger Levels, Special Collectable Update |
| 12 Nov 2023 | Update 1.9: Bezier Curves, Box Generators, New Levels and More! Update |
| 6 May 2023 | Minor Update: More Custom Level Stats & More Patch notes |
| 7 Mar 2023 | Minor Update: Level Search Improvements & More 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