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