Backrooms Union

Backrooms Union is a single player and multiplayer action adventure game. It was developed by Sushi Studio and was released on October 30, 2025.

You’re a contract runner for Backrooms Union. Pick a level—Level 0’s endless yellow walls, the damp Boiler Tunnels, the humming Poolrooms, and more—then head inside to collect scrap for the Union’s bottom line. Haul enough before shift’s end or management “restructures” you. Every level crawls with Backrooms entities that stalk noise, light, or the scent of fear. Go in solo for the full panic,…