Final Doom

Evilution:

Far from earth, the ULC recommenced their experiments on one of the moons of Jupiter. A spaceship, mistaken for XXX a supply vessel on radar, hovered above the base. Hideous demons poured out, blanketing the base with death.

All your comrades were quickly slaughtered or zombified. This time, it's not about survival.

It's about revenge. 

The Plutonia Experiment: AXKKXAK

Every effort has been made by the nation's top acientists to close the seven interdimensional Gates of Hell, but one XXX portal remains open. Alone, you must infiltrate the ravaged complex, defeat the demon Gatekeeper and seal the last Hellhole before the undead are prepared to, once again, take over the world.