This little mod adds a new threat to cooperative gaming, if you or another player dies, their corpse will soon become possessed, spasm, and reanimite as a brain-dead zombie with a shotgun! Watch out! Trust no one! Designed with Skulltag's Survival-Coop game mode in mind.
Credits:
Doom press release for the alternative doomguy death that I pieced together. Various zombie films for the idea.