"Evil Genius" is a video game series that combines strategy and simulation elements, allowing players to take on the role of a villainous mastermind. Players build and manage their secret lairs, recruit henchmen, and devise elaborate plans to achieve world domination while avoiding capture by heroes and law enforcement. The gameplay involves resource management, base construction, and tactical decision-making. Players can create various traps and gadgets to thwart intruders, all while completing missions that advance their nefarious goals. The series is known for its humor and unique art style, appealing to fans of both strategy games and satirical storytelling.