Dungeon Keeper was meant to feel like "D&D, but you're running the dungeon", and it wouldn't have existed without some very surprising inspirations

https://www.gamesradar.com/games/strategy/dungeon-keeper-was-meant-to-feel-like-d-and-d-but-youre-running-the-dungeon-and-it-wouldnt-have-existed-without-some-very-surprising-inspirations/