Introduce an entity like the Skin-Stealer that can take the form of a teammate but lacks a nametag or speaks in garbled audio.
The version of Inside the Backrooms is an early legacy build. If you are looking to create or implement a new feature for this specific version, here are several gameplay ideas and mechanics based on the existing Inside the Backrooms Wiki and community feedback: Core Gameplay Mechanics Inside.the.Backrooms.v0.1.9a.rar
If you are developing a mod or a standalone addition, you can find more inspiration for level design and entity behavior on the Backrooms Wiki . Inside the Backrooms on Steam Introduce an entity like the Skin-Stealer that can
Allow players to "Barricade" certain doors temporarily using found items, providing a brief window of safety from chasing entities like the Howler . Inside the Backrooms on Steam Allow players to
Introduce subtle environmental changes (e.g., doors appearing/disappearing, wallpaper changing color) that only one player in a co-op session can see to increase paranoia.