Trapped in an abandoned bunker, you are alone—your friends locked out, something else locked in. This PSX, VHS-style found-footage psychological horror plunges you into a nightmare of analog terror. Will you unravel the truth, survive the bunker’s horrors, and discover the fate of your friends?

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 21158952
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 yet| Build | Went live | Patch notes |
|---|---|---|
| 21158952 | The Bunker: Hotfix v1.1.3 - Minor Bug Fixes |
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 |
|---|---|
| 12 Dec 2025 | The Bunker: Hotfix v1.1.3 - Minor Bug Fixes Patch notes |
| 4 Oct 2025 | The Bunker: Hotfix v1.1.2 - Unity Version 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