Forum Overview :: Doom III :: Download, and unzip it into an aptly named folder in your Doom 3 directory.

[quote name="Worm"]Then use the mod button. The problem is all of them are simply coded. The non-gib mods don't increase the damage a corpse can take but simply make them invincible for a certain amount of time for demons and totally indestructible for humans. The flashlight mods feature (as far as I know) no new graphics.[/quote]