Demons from Hell have overrun the planet, and you are the brave space marine who is forced to defeat them and send them back to where they came from.
Ultimate DOOM is a full copy of DOOM with an additional fourth episode, titled Thy Flesh Consumed, which offers nine levels of more demon-slaying and bigger challenges.
- Genre: Action, Old Game
- Publisher: id Software, Inc.
- Developer: id Software, Inc.
- Year: 1996