Paranautical Activity

Paranautical Activity combines the classic FPS action of games like Doom and Quake, with the randomness and difficulty of modern roguelikes like Binding of Isaac and Spelunky
FEATURES
-Unique FPS/Roguelike combination
-Procedurally generated levels
-Impossibly fast gameplay
-Hidden levels
-Over 100 items
-40+ enemies
-Ridiculous bosses‏
-Kick ass Dubstep soundtrack