About
Building 404 is a single player simulation game with a horror theme. It was developed by souruuu and was released on December 1, 2025. It received neutral reviews from players.
Trapped in an endless cycle. The air is thick with dread. Welcome to Building 404. Inspired by the cult classic The Exit 8, Building 404 is a first-person psychological horror game that tests your memory, observation skills, and sanity. You find yourself stranded in the corridor of a dilapidated apartment complex. The lights flicker, the walls peel, and something is watching from the shadows. T…




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Frequently Asked Questions
Building 404 is a simulation game with horror theme.
Building 404 is available on Windows.
Building 404 was released on December 1, 2025.
Building 404 was developed by souruuu.
Building 404 has received neutral reviews from players.
Building 404 is a single player game.
Similar games include Liminal Exit, Endless Nightmare: Never Awaken, Floor 0, The Anomaly Protocol, DOORMS and others.





