Third-person bullet heaven meets explosive co-op action! Swing, dash, and blast through monster swarms while combining upgrades and discovering rare evolutions to create game-breaking builds of destruction.

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 25376926
Update posts
9 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 |
|---|---|---|
| 25376926 | Update #31 - Terrain has opinions - v0.9.3 |
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 |
|---|---|
| 17 Sept 2026 | Update #31 - Terrain has opinions - v0.9.3 Patch notes |
| 20 Aug 2026 | Update #30 - The Zone Gets Loud v0.9.2 Patch notes |
| 16 Jul 2026 | Update #29 - Settling In v0.9.1 Update |
| 25 Jun 2026 | Major Update #4 - Uninvited Guests v0.9.0 Update |
| 4 Jun 2026 | Update #28 Sharpening the Signal - v0.8.4 Update |
| App | Players now | Latest build |
|---|---|---|
| Atomic Picnic Playtest · App 2707520 | Not yet | 26150628 · |
Separate Steam apps for test, staging and playtest versions of Atomic Picnic. 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
| 8 May 2026 |
| Update #27 Small Sparks in the Zone Update |
| 24 Apr 2026 | Update #26 - Refining Chaos Update |
| 2 Apr 2026 | Update #25 - A Clearer, Cleaner Picnic - v0.8.1 Update |
| 19 Mar 2026 | Major Update #3 - A New Way to Run 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