APT. 407 Uses AI

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A psychological horror game set in a Korean apartment building. Explore eerie occurrences throughout the complex and uncover the truth behind them.

Developer: Jayhyeon Studio
Released: 27 May 2025
Price: $2.99
Platforms
Languages: Korean +3

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Update posts

0 posts

Posts announcing an update, tagged as patch notes or not

Last 90 days · as of 25 Oct, 11:11 UTC

How this is measured

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.

News checked every 30 days. Observed since 25 Oct 2026.

An announcement is not a build. Developers can ship updates without a post, or post about several updates at once.
Untagged posts are recognised from their words, so a few updates are missed and a few other posts may be counted. Tagged posts are marked Patch notes on the Updates tab; recognised ones are marked Update.
Older posts are being read back through each game's history, most played games first, so months before October 2026 fill in over the coming days.

Source: Steam Web API, ISteamNews/GetNewsForApp. Full methodology

Announcements

[250530] Minor Bux fixes Patch notes
29 May 2025 · Community Announcements
[250530] Minor bug fixes Patch notes
29 May 2025 · Community Announcements
ending preview bug fix Patch notes
28 May 2025 · Community Announcements
[250529] Ending save system added Patch notes
28 May 2025 · Community Announcements
Brightness Setting Improvements & Ending Replay Added (25-05-28) Patch notes
28 May 2025 · Community Announcements

From the game’s Steam news feed, last checked 25 Oct, 11:11 UTC. An announcement is not a build: games can update without posting. Every public build we saw is on the Builds tab.

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