Full list of all 50 Rock Band achievements worth 1,000 gamerscore. It takes around 80-100 hours to unlock all of the achievements on Xbox 360.
Unlocked the Van in Band World Tour
Unlocked the Jet in Band World Tour
Five Starred a song on Easy, Medium, Hard or Expert
Finished the Endless Setlist in Band World Tour on Medium
Finished the last remaining gig in Boston (Band World Tour)
Finished the last remaining gig in Chicago (Band World Tour)
Finished the last remaining gig in Reykjavik (Band World Tour)
Scored 100% notes hit as bassist, up-strums only, on Expert
Reached 1 million fans in Band World Tour
Finished the last remaining gig in Tokyo (Band World Tour)
Finished the last remaining gig in Rio de Janeiro (Band World Tour)
Finished the last remaining gig in New York (Band World Tour)
Finished Guitar Solo Tour on Expert
Finished the last remaining gig in Los Angeles (Band World Tour)
Finished the last remaining gig in Sydney (Band World Tour)
Finished Drum Solo Tour on Hard
Finished the last remaining gig in San Francisco (Band World Tour)
Finished the last remaining gig in Seattle (Band World Tour)
Finished the last remaining gig in Berlin (Band World Tour)
Finished the last remaining gig in Rome (Band World Tour)
Scored 100% notes hit as a guitarist on Expert
Finished the last remaining gig in Moscow (Band World Tour)
Finished Guitar Solo Tour on Hard
Finished the last remaining gig in Amsterdam (Band World Tour)
Finished the Endless Setlist in Band World Tour on Expert
Finished the Endless Setlist in Band World Tour on Hard
Finished the last remaining gig in Paris (Band World Tour)
Finished the last remaining gig in London (Band World Tour)
Finished the last remaining gig in Stockholm (Band World Tour)
Finished Vocal Solo Tour on Expert
Finished Drum Solo Tour on Medium
Scored 100% notes hit as a drummer on Expert
Won 20 Tug of War ranked matches
Won 5 Tug of War ranked matches in a row
Finished Vocal Solo Tour on Hard
Finished the Hall of Fame Induction in Band World Tour
Scored a 100% rating as a vocalist on Expert
Finished Vocal Solo Tour on Medium
Finished Drum Solo Tour on Easy
Finished Guitar Solo Tour on Medium
Won 20 Score Duel ranked matches
Won 5 Score Duel ranked matches in a row
Played with a "Platinum Artist"
Finished Vocal Solo Tour on Easy
Unlocked an Arena in Solo Tour on Medium, Hard or Expert
Unlocked the Bus in Band World Tour
Finished Guitar Solo Tour on Easy
Unlocked a Theater in Solo Tour on Easy, Medium, Hard or Expert
Unlocked a Big Club in Solo Tour on Easy, Medium, Hard or Expert
Finish Drum Solo Tour on Expert