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.
Funciona en cualquier versiĆ³n?
I know it's late in replying, but I should probably write about it...
Yes, This mod is compatible with both Original(2004) and BFG Editions.
Of course, Double Barrel Shotgun is also supported.