Doom,Hexen,Heretic Genres : Scary Action Description: Play three of the best classic FPS scary games to ever come out on PC. In Doom you battle beasts and tons of evil. In Hexen and Heritic its dark wizardry. Tons of gore, creepy darkness and enemies can be found in these games. Have fun. Instruction: Explore levels kill bad guys, unlock doors. Game Controls: Each game has different controls. See in-game controls how to play.