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Steam
The Expansion
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.
Released · 2026-08-21
At a glance
About this game
Core game information and the store records it came from.
- Title
- The Expansion
- Content
- Game
- Release date
- 2026-08-21
- Developer
- JMO INTERACTIVE
- Publisher
- JMO INTERACTIVE
- Platforms
- Windows
- Connected stores
- 1
Steam Steam source details
- Store title
- The Expansion
- Product ID
- 4939820
- Developer
- JMO INTERACTIVE
- Publisher
- JMO INTERACTIVE
- Store platforms
- Windows
- Source checked
- 2026-10-29 04:28 UTC