Doll Impostor is a horror game where 1-4 players take on the role of guardians of possessed dolls. Work together to identify the impostor doll before 9 a.m, or face dire consequences. Every hour counts in this tense, fear-filled race against time.

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 24131254
Update posts
50 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 |
|---|---|---|
| 24131254 | UPDATE 19 [PATCH 9] |
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 |
|---|---|
| 9 Jul 2026 | UPDATE 19 [PATCH 9] Patch notes |
| 3 Jun 2026 | UPDATE 19 [PATCH 8] Patch notes |
| 29 May 2026 | UPDATE 19 [HOTFIX 4] Patch notes |
| 27 May 2026 | UPDATE 19 [HOTFIX 3] Patch notes |
| 27 May 2026 | UPDATE 19 [PATCH 7] Patch notes |
| 27 May 2026 |
| UPDATE 19 [PATCH 6] Patch notes |
| 11 May 2026 | UPDATE 19 [PATCH 5] Patch notes |
| 5 May 2026 | UPDATE 19 [PATCH 4] Patch notes |
| 5 May 2026 | UPDATE 19 [PATCH 3] Patch notes |
| 5 May 2026 | UPDATE 19 [PATCH 2] Patch notes |
| 30 Apr 2026 | UPDATE 19 [PATCH 1] Patch notes |
| 30 Apr 2026 | UPDATE 19 [HOTFIX 2] Patch notes |
| 29 Apr 2026 | UPDATE 19 [HOTFIX 1] Patch notes |
| 27 Apr 2026 | UPDATE 19 IS NOW AVAILABLE! Update |
| 26 Apr 2026 | UPDATE 19 [OPEN BETA] [PATCH 4] Patch notes |
| 23 Apr 2026 | UPDATE 19 [OPEN BETA] [PATCH 3] Patch notes |
| 23 Apr 2026 | UPDATE 19 [OPEN BETA] [PATCH 2] Patch notes |
| 21 Apr 2026 | UPDATE 19 [OPEN BETA] [PATCH 1] Patch notes |
| 20 Apr 2026 | UPDATE 19 [MADNESS GAMEMODE] Update |
| 8 Apr 2026 | WORKING ON UPDATE 19 [MADNESS MODE] Update |
| 2 Apr 2026 | UPDATE 18 [HOTFIX 1] Patch notes |
| 1 Apr 2026 | UPDATE 18 [PATCH 1] Patch notes |
| 31 Mar 2026 | UPDATE 18 IS NOW AVAILABLE! Update |
| 31 Mar 2026 | UPDATE 18 [OPEN BETA] PATCH 4 Patch notes |
| 26 Mar 2026 | UPDATE 18 [OPEN BETA] PATCH 3 Patch notes |
| 26 Mar 2026 | UPDATE 18 [OPEN BETA] PATCH 2 Patch notes |
| 25 Mar 2026 | UPDATE 18 [OPEN BETA] PATCH 1 Patch notes |
| 25 Mar 2026 | UPDATE 18 [CARNIVAL UPDATE] Update |
| 4 Mar 2026 | WORKING ON UPDATE 18! [CARNIVAL MAP] Update |
| 25 Feb 2026 | UPDATE 17 [PATCH 3] Patch notes |
| 6 Feb 2026 | UPDATE 17 [PATCH 2] Patch notes |
| 1 Feb 2026 | UPDATE 17 [PATCH 1] Patch notes |
| 31 Jan 2026 | UPDATE 17 [HOTFIX 1] Patch notes |
| 31 Jan 2026 | UPDATE 17 [VALENTINE'S UPDATE] Update |
| 26 Dec 2025 | UPDATE 16 [PATCH 7] Patch notes |
| 16 Dec 2025 | UPDATE 16 [PATCH 6] Patch notes |
| 10 Dec 2025 | UPDATE 16 [PATCH 5] Patch notes |
| 6 Dec 2025 | UPDATE 16 [PATCH 4] Patch notes |
| 5 Dec 2025 | UPDATE 16 [PATCH 3] Patch notes |
| 2 Dec 2025 | UPDATE 16 [PATCH 2] Patch notes |
| 1 Dec 2025 | UPDATE 16 [PATCH 1] Patch notes |
| 30 Nov 2025 | UPDATE 16 IS NOW AVAILABLE! Update |
| 30 Nov 2025 | UPDATE 16 [OPEN BETA] PATCH 7 Patch notes |
| 29 Nov 2025 | UPDATE 16 [OPEN BETA] PATCH 6 Patch notes |
| 28 Nov 2025 | UPDATE 16 [OPEN BETA] PATCH 5 Patch notes |
| 27 Nov 2025 | UPDATE 16 [OPEN BETA] PATCH 4 Patch notes |
| 26 Nov 2025 | UPDATE 16 [OPEN BETA] PATCH 3 Patch notes |
| 25 Nov 2025 | UPDATE 16 [OPEN BETA] PATCH 2 Patch notes |
| 25 Nov 2025 | UPDATE 16 [OPEN BETA] PATCH 1 Patch notes |
| 24 Nov 2025 | UPDATE 16 [IMPOSTOR GAMEMODE UPDATE] Update |
Showing the latest 50 of 316. Show all
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