The Sims 2 for GameCube, released in 2005, is a life-simulation game that allows players to control and manage the lives of virtual characters known as Sims. Players create and customize their Sims' appearance, personalities, and homes, and then guide them through various aspects of their lives, such as building relationships, pursuing careers, and fulfilling aspirations. The Sims 2 expanded on the original game with more detailed graphics, deeper gameplay mechanics, and new features such as a genetics system where Sims can pass traits onto their offspring.