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