Dungeon Keeper

From Wikipedia Dungeon Keeper is a strategy video game released for the PC in which the player attempts to build and manage a dungeon or lair while protecting it from (computer-controlled) 'hero' characters intent on stealing the user's accumulated treasures and killing various monsters. The game was developed by Bullfrog Productions under Peter Molyneux (Black & White, Fable) and released by Electronic Arts in June 1997 to high critical praise and positive gamer reaction.