You are trapped inside a masterpiece of madness. Unravel the chilling mystery of H.H. Holmes Murder Castle. In this atmospheric true crime escape simulator, every room is a puzzle and every document a shocking discovery. Can you escape the architect of death?

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 26296077
Update posts
2 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
13 hoursMiddle gap across the last 4 builds we saw
| Build | Went live | Patch notes |
|---|---|---|
| 26296077 | None posted | |
| 26283847 | None posted | |
| 26271254 | None posted | |
| 26075361 | Bug Fixes & Improvements - 20.10.2026 |
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 |
|---|---|
| 20 Oct 2026 | Bug Fixes & Improvements - 20.10.2026 Patch notes |
| 2 Jul 2026 | Demo: Font Fix 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