A massive demonic invasion has overwhelmed the Union Aerospace Corporation's Mars Research Facility, leaving only chaos and horror in its wake. As one of only a few survivors, you must fight your way to hell and back against a horde of evil monsters.
This is a small little fix i had to look back at, please download this along with Doom 3 Revise Ultimate Edition, this is a tiny patch, thank you and sorry.
If this is for a mod it should be on the downloads for that mod.