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