You have come here for a reason. The Union Aerospace Corporations massive research facility on Mars is overwhelmed by fierce and powerful demons, and only one person stands between their world and ours. As the lone DOOM Marine, you have been activated to do one thing, kill them all.

The lore within the Dark Souls genre is varied and mysterious. Wars, giants, and dragons, Gods who fell from grace, a knight on his last mission before he goes insane, evil Queens, all peppered around a landscape filled with horrors.

The player is the Sole Survivor of Vault 111, who emerges 210 years to the day and time after the Great War. Prior to this, there is a brief period of gameplay during the pre-War era showing the player living with their spouse and child.

Scrotus and the War Boys run Max off the road and steal his clothes, supplies, weapons and car, leaving him to die in the desert.

The game lets players control two characters: twins Jacob and Evie Frye. Jacob is a hot-headed brawler, specializing in close-ranged combat, while Evie is strong in stealth and relies on her intelligence and wit.