Solve hidden items and puzzles while avoiding abyssal zombies and traps at school.

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 23193880
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
Not enough builds yet| Build | Went live | Patch notes |
|---|---|---|
| 23193880 | None posted |
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 |
|---|---|
| 27 Jan 2026 | 01/27 (Tue) Update - Korean Voice Acting Added Update |
| 24 Dec 2025 | 12/25 (Thu) Update – Japanese Voice Added & Cutscene Improvements Update |
| 15 Mar 2025 | 03/15 (Sun) Update - Bug Fixes and Improvements Patch notes |
| 14 Mar 2025 | 03/14 (Fri) Update - Bug Fixes Patch notes |
| 13 Mar 2025 | 03/13 (Thu) Update - Auditorium Map / Story / Cutscene / Hideout Added Update |
| 19 Nov 2024 |
| 11/19 (Tue) Bug fix - Fixed the problem of freezing after swimming Patch notes |
| 30 Oct 2024 | 10/30 (Wed) Hotfix - Fixed the skirt physics of the CatShirt (Yoohee) Patch notes |
| 28 Oct 2024 | 10/28 (Mon) Update - New Costumes, Minigames, and Stories Added Update |
| 17 Sept 2024 | 09/17(Tue) Bug Fixes Patch notes |
| 30 Jun 2024 | Emergency Update - Fixed statue puzzle issue Patch notes |
| 28 Jun 2024 | 06/28 (Fri) update - Added Seyoung costume and fixed bugs Update |
| 9 May 2024 | 05/09 (Thur) - Mini game, Costumes, and Model views update Update |
| 2 Mar 2024 | 03/02 (Sat) - Additional story, map, and costume updates Update |
| 26 Jan 2024 | 01/26 (Friday) - 2nd floor puzzle modified and Gamepad support Patch notes |
| 24 Jan 2024 | 01/25 (Thursday) - Bug fixes and feature improvements Patch notes |
| 23 Jan 2024 | 01/24 (Wed) - Optimization and bug fixes Patch notes |
| 22 Jan 2024 | 01/23 (Tuesday) - Added features and fixed bugs Patch notes |
| 21 Jan 2024 | 01/22 (Mon) - Bug fixes and feature improvements Patch notes |
| 21 Jan 2024 | 01/21 (Sun) - Bug fixes and feature improvements Patch notes |
| 21 Jan 2024 | 01/21 (Sun) Bug fix Patch notes |
| 20 Jan 2024 | 01/21 (Sun) Bug fixes and feature updates 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