Red Faction: Armageddon

Red Faction: Armageddon is the fourth game in the Red Faction series.

Plot
After the victory of the Red Faction against the EDF, the newly-independent Mars prospered. Then, 5 years before the events of the game, the terraforming machine that regulates Mars' environment and atmosphere is damaged, rendering the surface uninhabitable and forcing the populace to move underground into the mines excavated by the first Colonists more than a century before.

The game begins 50 years Red Faction: Guerilla and 5 years after the relocation, following the story of Darius Mason, grandson of Martian Revolution heroes Alec Mason and Samanya, who runs a lucrative series of businesses based in Bastion, the underground hub of Colonist activity, including mining, scavenging and mercenary-work. Only a few sane people venture to the now-ravaged surface of Mars, apart from contractors like Darius and smugglers who smuggle goods between settlements. Darius is tricked into reopening a mysterious shaft in an old Marauder temple which releases a long-dormant race of aliens causing an Armageddon on Mars.

The game is expected to be released for (at least) the Xbox 360 and Playstation 3.

Alien speculation
It is speculated that the aliens are actually mutants from Capek's Zoo, which appeared in the first Red Faction game. Due to the game taking place in the mines.