The Expansion — Steam game overview

Stored observation / content update: 2026-10-26T05:17:52.000Z

A psychological first-person horror experience set in endless Backrooms. Explore abandoned corridors, uncover hidden secrets, evade mysterious entities, and survive a world where every turn leads deeper into the unknown.

Game metrics below are stored observations; missing values are unknown.

Revenue is modelled, not confirmed sales. See the methodology and uncertainty range.