If you are hosting, these cheats might work for you, but using them in someone else's lobby without permission can ruin the horror experience for others.
Always download from reputable modding communities like WeMod or established forums to avoid malware bundled with "free" hacks. If you are hosting, these cheats might work
If you prefer to beat the game legitimately but need a little help, you might find a survival guide for the 0.5 update or a step-by-step walkthrough more rewarding than a direct hack. "Inside The Backrooms" Internal Trainer - UnKnoWnCheaTs If you are hosting
Open Inside the Backrooms and enter a single-player or hosted game. these cheats might work for you
Stop worrying about the permadeath timer or losing progress after a jumpscare. 💻 How to Use a GUI Trainer