B-12 is a tough, third/first-person action-platformer with randomized levels and relentless robots with plasma cannons for hands.

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 4033897
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 |
|---|---|---|
| 4033897 | 1.1 - Difficulty tweaks |
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 |
|---|---|
| 22 Jul 2019 | 1.1 - Difficulty tweaks Patch notes |
| 12 Jul 2019 | 1.0 !!! Patch notes |
| 25 Jun 2019 | 0.5.2 - UX & Combat Improvements Patch notes |
| 17 Jun 2019 | 0.5.1 Patch notes |
| 11 Jun 2019 | 0.4.2 - Finally some background lore! Patch notes |
| 1 Jun 2019 |
| 0.3.1 Patch notes |
| 21 May 2019 | 0.2.0 Patch notes |
| 9 May 2019 | Presenting 0.1.0 -- The first beta! Patch notes |
| 18 Jan 2018 | Back After Some Downtime - 0.0.52 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