8 test subjects are trapped in a sealed building, controlled by a mysterious system. Each has a hidden codename that determines both their win condition and threat level. Complete tasks to gain clues and eliminate others by deducing their codename. Uncover your own, or survive to the end to escape.

Patch announcements
3 postsPosts the developer tagged as patch notes
Posts in a game's Steam news feed that Steam tags as patch notes.
News checked every day. Observed since 24 Oct 2026.
Source: Steam Web API, ISteamNews/GetNewsForApp. Full methodology
From the game’s Steam news feed, last checked . An announcement is not a build: games can update without posting. Every public build we saw is on the Builds tab.