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