During the game, you play as the CIS, the Republic, the Empire, or the Rebel Alliance, and lead each faction in the key battles of the Republic age, and the Empire age that each seperate faction fought in.
The family of Talion, a ranger of Gondor responsible for guarding the Black Gate of Mordor, is killed by Saurons armies, but Talion is revived with wraith-like abilities and heads into Mordor to exact his revenge.
Simulating the experience of performing in a band, Rock Band 2 allows up to four players to use remotes modeled after microphones, guitars, bass guitars, and drums to engage with their favourite songs.
Rock Band 3 introduces 'Pro' mode, designed to simulate real-world instruments, matching fingers with specific positions. This instalment of the franchise also includes three-part vocal harmonies for each song.