For many players, Animal Crossing: New Horizons is a cozy way to escape the harsh realities of the world and design a dream home within a community of friendly animals. While the series is known for its cute, family-friendly appeal, Nintendo's popular life sim has a history of incorporating darker elements hidden beneath its charming exterior. Once players start digging, they'll realize the metaphorical rabbit hole for dark secrets in Animal Crossing: New Horizons and the series as a whole runs much deeper than one might expect.