Dungeon Keeper is a real-time strategy game developed by Bullfrog Productions and released in 1997. Players take on the role of a dark overlord, tasked with building and managing a dungeon filled with various creatures and traps. The goal is to defend the dungeon from invading heroes while expanding its depths and resources. In the game, players can create rooms for different purposes, such as generating gold or housing monsters. The unique gameplay allows players to possess their creatures and directly control them in battles. Dungeon Keeper is known for its humor and innovative mechanics, influencing many strategy games that followed.