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