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 model replacement mod that replaces the BFG 9000 with a model based on the OG Doom variant.
"based on the OG Doom variant"
Don't you mean Quake 2? The D1 BFG sprite barely resembled what is essentially the BFG10k. Not to demean the model, it's stellar for a classic aesthetic.