So I discovered these in Level 188.

The Backroom 5 Modular levels 2 in Environments - UE Marketplace

Da uma moral lá no canal do meu amigo, ele tá fazendo um map de backrooms

extreme car sounds on Game Jolt: BACKROOMS LEVEL 188 IS REAL! (If you wanna try it out go to google

Backrooms - Level 188

Backrooms - Level 188 - Liminal Hotel

Level 188 - Courtyard of Windows, Escape The Backrooms Wiki

Backrooms: Level 188 The Countyard of Windows by joshualop7615 on Newgrounds

Image 3 - level 188 mod for Doom II - Mod DB

Level 188 : Anonymous : Free Download, Borrow, and Streaming : Internet Archive

wisespade7 FAKE BLOOD no sensitive content