I've tried for so long to actually install the RBDOOM-3-BFG mod, I don't know what I'm doing wrong but I'd really appreciate if someone could make a video tutorial because I seriously can't get it to work.

Doom 3

Help

Portal

Half-Life 2

Portal 2

Half-Life

Half-Life: Opposing Force

The Elder Scrolls V: Skyrim

Amnesia: The Dark Descent

Resident Evil 2

Left 4 Dead 2

Fallout 3

Fallout: New Vegas

Lovely Planet

Dead Rising

Outlast

F.E.A.R. Perseus Mandate

Ultimate Doom

F.E.A.R. 2: Project Origin

F.E.A.R.

Polarity

Condemned: Criminal Origins

Half-Life 2 Category Extensions

Dead Rising 2

Super Mario Odyssey Category Extensions

F.E.A.R. Extraction Point

Exodus from the Earth

Fallen Times

Resident Evil 4 (Steam)

Total Chaos

ULTRAKILL

Portal 2 Speedrun Mod

Cruelty Squad

Resident Evil 4 2007

Resident Evil 4 (2023)

Proficient