NOTE: There is a known issue with the most recent entries having screwed-up information and links. Some databases are out of sync and we haven't been able to fix it yet.
It turns the goat bosses at the end of the Shareware version of Doom 1 into.... Butts! Yes, that's right, butts. Giant green ones with dark green arms and legs, these things open their cracks and fire green fireballs at you. Don't hesitate! download Butt Doom now!