Full list of all 62 Rock Band 3 achievements worth 1,250 gamerscore. It takes around 80-100 hours to unlock all of the achievements in the base game.
The base game contains 50 achievements worth 1,000 Gamerscore, and there is 1 DLC pack containing 12 achievements worth 250 Gamerscore.
5 Starred the Rock Band 3 disc on Expert.
5 Star every song in Rock Band 3 on Hard
Earn an Awesome rating on at least 90% of the phrases in 6 songs on Hard Vocals.
Hit 100% of the notes in a percussion section.
Deployed overdrive four times in a single song as a vocalist.
Get 85% on all Guitar Solos in Rock Band 3 on Hard or Expert.
Get a streak of 500 notes on Bass.
Maintained overdrive for 60 seconds.
Hit 100% of the notes, only strumming up, on Hard Bass.
Got 1,000,000 on one song.
Won all awards on the "Really Frequent Flyers" Road Challenge.
Completed the "Really Frequent Flyers" Road Challenge.
5 Starred on Easy Drums (or 3 Starred on a higher difficulty) 25 Rock Band 3 songs.
Got 90 or more spades on "The European Connoisseur" Road Challenge.
5 Starred on Medium (or 3 Starred on a higher difficulty) 50 Rock Band 3 songs.
Got 90 or more spades on "The Long Drive South" Road Challenge.
Beat a Rock Band 3 score of 12,345,678.
Won all rewards on the "Hell Freezes Over" Road Challenge.
Connected your Rock Band 3 Band with rockband.com.
5 Starred on Easy Guitar (or 3 Starred on a higher difficulty) 25 Rock Band 3 songs.
Completed the introductory Pro Drum Trainer lessons.
Completed the "Total Debauchery" Road Challenge.
Complete the "Through the Wilderness, Eh?" Road Challenge.
Completed "The Wicked Awesome Tour".
Hit 90% of the Kick notes in a song on Hard Drums.
Nailed a drum roll.
Calibrated your audio/video setup for the optimal Rock Band 3 experience.
Completed the "Hometown Throwdown" Road Challenge.
Got 100% accuracy on Expert Guitar.
Created a Character.
Renamed your band.
Kill 53,596 Hammer-ons and Pull-offs.
5 Starred on Easy Bass (or 3 Starred on a higher difficulty) 25 Rock Band 3 songs.
Get a streak of 350 notes on Keys.
5 Star on Easy Keys (or 3 Star on a higher difficulty) any 25 Rock Band 3 songs.
5 Star on Easy Pro Bass (or 3 Star on a higher difficulty) any 25 Rock Band 3 songs.
Complete the final Pro Drum Trainer lessons.
Play "The Hardest Button to Button" on Pro Guitar.
Max out your Score Multiplier meter on Pro Guitar.
Complete the "Power Chords" lessons in the Pro Guitar trainer.
Complete the "More Chord Holding and Arpeggiation" Pro Guitar lessons.
5 Star on Easy Pro Guitar (or 3 Star on a higher difficulty) any 25 Rock Band 3 songs.
Hit at least 90% of the notes in 3 songs on Expert Pro Keys.
Complete the final Pro Keys trainers.
Max out your Score Multiplier meter on Pro Keys.
5 Star on Easy Pro Keys (or 3 Star on a higher difficulty) any 25 Rock Band 3 songs.
Get a Triple Awesome while playing with Vocal Harmonies.
Hit all triple awesomes in "Bohemian Rhapsody" on Medium or a higher difficulty.
5 Star on Easy Vocals (or 3 Star on a higher difficulty) any 25 Rock Band 3 songs.
Sucessfully complete "The Endless Setlist III!"
Earned 5 stars on Vocals on a downloaded Queen song.
Play a downloaded Queen song.
Beat 5 songs from any band that has had Dave Grohl as a member.
Downloaded and played three songs from a band that has Harmonix team members in it.
Somehow managed a 200 note streak on "The Perfect Drug".
5 Star any Boston song.
Beat all of the free downloadable songs for Rock Band.
Beat 20 downloaded songs.
Beat 12 downloaded songs.
Beat 5 downloaded songs.
Melted faces by beating three '80s Metal songs.
Played a downloaded song.