Guitar Hero 3: Legends of Rock is a rhythm game for the Sony PS3 that challenges players to simulate playing a guitar to various rock music tracks. As the third main installment in the series, the game features a setlist of over 70 rock anthems from legendary artists and bands. Players use a guitar-shaped controller to hit notes scrolling on-screen, matching their timing to the music. The game includes single-player, multiplayer face-offs, and cooperative modes. It emphasizes dexterity and timing, offering both casual fun and competitive challenge in the realm of virtual rock stardom.