High Quality Content by WIKIPEDIA articles! Dungeon Keeper 3: War for the Overworld is a cancelled PC strategy game developed by Bullfrog Productions for Microsoft Windows. Dungeon Keeper 3 was set to be the next installment in the Dungeon Keeper franchise where the slogan “Evil is good” set the series apart from conventional games. Players were charged with managing evil creatures in an underground dungeon and protecting it against the stereotypical righteous and goodly adventurers that conventionally appear in role-playing games. The series won praise from reviewers for its innovative design and devilish humor. The sequel to Dungeon Keeper 2, it was set to lead the player to do battle in the surface realm of the goodly heroes. A short trailer for the game is included in Dungeon Keeper 2, which shows Horny the horned reaper reaching the surface world.