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.-Unique FPS/Roguelike combination-Procedurally generated levels-Impossibly fast gameplay-Hidden levels-Over 100 items-40+ enemies-Ridiculous bosses‏-Kick ass Dubstep soundtrackThe Deluxe Atonement Edition includes the following-Developer footage & commentary, from prototype to pre alpha to full release! -The Seafarers Guide; A pro guide with a nautical twist. Consult the pro guide to become the leanest, baddest, mostest bestest Paranautical Activity player you can be. -1 new level type, 1 new weapon and 1 new item.-Wallpapers baby!