Kyiv, Ukraine — October 1, 2025. ShimStudios announces Backrooms: Lost Runners, a UE5 co-op survival-horror experience that turns the Backrooms mythos into an immersive, story-driven journey you play together. Far from a “walking sim,” the game blends high production values, cinematic moments, and systemic challenges across eerie liminal spaces with unique monsters and an original interpretation of player death.
A new trailer is available now. A free demo launches October 13 during Steam Next Fest.
Key points
- Co-op survival horror in the Backrooms setting
- Story-forward design with clear objectives and cinematic set-pieces
- Unique entities and systemic hazards; built in Unreal Engine 5
Watch & Wishlist
- Trailer (YouTube): https://youtu.be/HKWqMxUM808
- Steam page (wishlist): https://store.steampowered.com/app/3072120/Backrooms_Lost_Runners/
(If covering, please include the Steam link in your article/video description.)
Fact sheet
Title: Backrooms: Lost Runners
Developer/Publisher: ShimStudios
Genre: Co-op Survival Horror
Engine: Unreal Engine 5
Platforms: PC (Steam)
Model: Free demo (Steam Next Fest) from October 13, 2025
Languages: English at launch (additional languages TBA)
About ShimStudios
ShimStudios is an independent team based in Kyiv, Ukraine, creating atmospheric cooperative experiences with high production values and systemic gameplay. Backrooms: Lost Runners is the studio’s flagship project.