Rock Band 3 has released to positive fanfare.  Read our review here.   If you want to find all of the hidden guitars, unlock Avatar Awards, and complete all Achievements and Trophies, this guide will give you all the help you need.
 

Cheat Codes: Hidden Guitars

Guild X-79 guitar

At the main menu, press Blue, Orange(2), Blue, Orange(2), Blue(2) to unlock the Guild X-79 guitar under the “Customization” option.

Ovation D-2010 guitar

At the main menu, press Orange, Blue, Orange(2), Blue(2), Orange, Blue to unlock the Ovation D-2010 guitar under the “Customization” option.

Stop! guitar

At the main menu, press Orange(2), Blue(2), Orange, Blue(2), Orange to unlock the Stop! guitar under the “Customization” option.

Avatar Awards

Successfully complete the indicated task to unlock the corresponding Avatar Award:

    Bass T-shirt: Get the “Bass Apprentice” achievement.
    Drums T-shirt: Get the “Drums Apprentice” achievement.
    Guitar T-shirt: Get the “Guitar Apprentice” achievement.
    Pro Keyboard T-shirt: Get the “Pro Keys Apprentice” achievement.
    Vocal T-shirt: Get the “Vocal Apprentice” achievement.

 Achievements:

Tune Up (4G) – Calibrate your audio/video setup for the optimal Rock Band 3 experience.                                                                              

Self-Made Dude or Lady (5G) – Create a Character.                                                                                                                                                     

Best. Name. Ever. (5G) – Rename your band.                                                                                                                                                                  

Well Connected (6G) – Connect your Rock Band 3 Band with rockband.com at http://www.rockband.com.                                          

You Ain’t Seen Nothing Yet (20G) – Maintain overdrive for 60 seconds.                                                                                                 

Millionaire Club (25G) – Get 1,000,000 on one song.                                                                                                                                                  

Rock Band Master (25G) – 5 Star on Medium (or 3 Star on a higher difficulty) any 50 Rock Band 3 songs.                                            

Rock Band Legend (30G) – 5 Star every song in Rock Band 3 on Hard.                                                                                                                  

Rock Band Immortal 50G) – 5 Star every song in Rock Band 3 on Expert.                                                                                                          

Alex’s Luggage Combination (30G) – Beat a Rock Band 3 score of 12,345,678.                                                                                 

Hometown Threwdown (20G) – Complete the “Hometown Throwdown” Road Challenge.                                                                       

Real Nor’easter (20G) – Complete “The Wicked Awesome Tour”.                                                                                                                              

Hell Defrosted (25G) – Win all rewards on the “Hell Freezes Over” Road Challenge.                                                                              

Wilderness Survival (20G) – Complete the “Through the Wilderness, Eh?” Road Challenge.                                                                 

Major Mileage (25G) – Get 90 or more spades on “The Long Drive South” Road Challenge.                                                                         

Party Animal (20G) – Completed the “Total Debauchery” Road Challenge.                                                                                                        

The Connoisseur’s Connoisseur (25G) – Get 90 or more spades on “The European Connoisseur” Road Challenge.                   

Mile High Club (25G) – Complete the “Really Frequent Flyers” Road Challenge.                                                                                    

Ultimate Road Warrior (30G) – Win all awards on the “Really Frequent Flyers” Road Challenge.                                                          

HOPO-cidal Maniac (25G) – Kill 53,596 Hammer-ons and Pull-offs.                                                                                                           

Bleeding Fingers (30G) – Get 85% on all Guitar Solos in Rock Band 3 on Hard or Expert.                                                                          

Guitar Perfectionist (25G) – Get 100% accuracy on Expert Guitar.                                                                                                                  

Guitar Apprentice (20G) – 5 Star on Easy Guitar (or 3 Star on a higher difficulty) any 25 Rock Band 3 songs.                                 

Bass Streaker (10G) – Get a streak of 500 notes on Bass.                                                                                                                                              

Most Authentic Strummer (10G) – Hit 100% of the notes, only strumming up, on Hard Bass.                                                                

Bass Apprentice (20G) – 5 Starred on Easy Bass (or 3 Starred on a higher difficulty) 25 Rock Band 3 songs.                                        

Drum Roll, Please! (10G) – Nail a drum roll.                                                                                                                                                                

Fastest Feet (15G) – Hit 90% of the Kick notes in a song on Hard Drums.                                                                                                           

Drums Apprentice (20G) – 5 Star on Easy Drums (or 3 Star on a higher difficulty) any 25 Rock Band 3 songs.                                 

Keys Streaker (15G) – Get a streak of 350 notes on Keys.                                                                                                                                            

Keys Apprentice (20G) – 5 Star on Easy Keys (or 3 Star on a higher difficulty) any 25 Rock Band 3 songs.                                             

Pro Bass Apprentice (20G) – 5 Star on Easy Pro Bass (or 3 Star on a higher difficulty) any 25 Rock Band 3 songs.                        

Drum Trainer Initiate (15G) – Complete the introductory Pro Drum Trainer lessons.                                                                             

Drum Trainer Graduate (30G) – Complete the final Pro Drum Trainer lessons.                                                                                                   

Play A Real Guitar Already! (15G) – Play “The Hardest Button to Button” on Pro Guitar.                                                                           

Pro Guitar to the Max (15G) – Max out your Score Multiplier meter on Pro Guitar.                                                                                   

Power Chords (15G) – Complete the “Power Chords” lessons in the Pro Guitar trainer.                                                                      

Complex Chords (25G) – Complete the “More Chord Holding and Arpeggiation” Pro Guitar lessons.                                                       

Pro Guitar Apprentice (20G) – 5 Star on Easy Pro Guitar (or 3 Star on a higher difficulty) any 25 Rock Band 3 songs.                       

Pro Keyboardist (15G) – Hit at least 90% of the notes in 3 songs on Expert Pro Keys.                                                                                      

Pro Keys Graduate (25G) – Complete the final Pro Keys trainers.                                                                                                                             

Pro Keys to the Max (15G) – Max out your Score Multiplier meter on Pro Keys.                                                                                               

Pro Keys Apprentice (20G) – 5 Star on Easy Pro Keys (or 3 Star on a higher difficulty) any 25 Rock Band 3 songs.                         

Triple Awesome (10G) – Get a Triple Awesome while playing with Vocal Harmonies.                                                                                           

Is This Just Fantasy? (25G) – Hit all triple awesomes in “Bohemian Rhapsody” on Medium or a higher difficulty.                            

Vocals Showmanship (10G) – Deploy overdrive four times in a single song as a vocalist.                                                               

Tambourine Master (10G) – Hit 100% of the notes in a percussion section.                                                                                                    

Vocal Virtuoso (15G) – Earn an Awesome rating on at least 90% of the phrases in 6 songs on Hard Vocals.                                     

Vocal Apprentice (20G) – 5 Star on Easy Vocals (or 3 Star on a higher difficulty) any 25 Rock Band 3 songs.                                   

The Endless Setlist III (50G) – Sucessfully complete “The Endless Setlist III!”                                                                                    

Downloader (20G) – Play a downloaded song.                                                                                                                                                       

Mercurial Vocalist (30G) – Earn 5 stars on Vocals on a downloaded Queen song.                                                                                             

Live Free or Die (25G) – Beat all of the free downloadable songs for Rock Band.                                                                                              

Fistful of Awesome (15G) – Beat 5 downloaded songs.                                                                                                                                    

Accountant’s Dozen (15G) – Beat 12 downloaded songs.                                                                                                                                      

Decent Collection (15G) – Beat 20 downloaded songs.                                                                                                                                                       

I Want It All (15G) – Play a downloaded Queen song.                                                                                                                                              

Shameless Self-Promotion (15G) – Download and play three songs from a band that has Harmonix team members in it.              

Just Another Band Out of Boston (15G) – 5 Star any Boston song.                                                                                                                      

Face Melter (25G) – Melt faces by beating any three ’80s Metal songs.                                                                                                               

Dave Grohl Band (30G) – Beat 5 songs from any band that has had Dave Grohl as a member.                                                                      

The Perfect Drug (30G) – Get a 200 note streak on “The Perfect Drug”.

 
Trophies:
 

Tune Up (Bronze) – Calibrate your audio/video setup for the optimal Rock Band 3 experience.                                                               

Self-Made Dude or Lady (Bronze) – Create a Character.                                                                                                                                          

Best. Name. Ever. (Bronze) – Rename your band.                                                                                                                                                           

Well Connected (Bronze) – Connect your Rock Band 3 Band with rockband.com at http://www.rockband.com.                           

You Ain’t Seen Nothing Yet (Bronze) – Maintain overdrive for 60 seconds.                                                                                    

Millionaire Club (Bronze) – Get 1,000,000 on one song.                                                                                                                                          

Rock Band Master (Bronze) – 5 Star on Medium (or 3 Star on a higher difficulty) any 50 Rock Band 3 songs.                              

Alex’s Luggage Combination (Bronze) – Beat a Rock Band 3 score of 12,345,678.                                                                       

Hometown Threwdown (Bronze) – Complete the “Hometown Throwdown” Road Challenge.                                                              

Real Nor’easter (Bronze) – Complete “The Wicked Awesome Tour”.                                                                                                    

Wilderness Survival (Bronze) – Complete the “Through the Wilderness, Eh?” Road Challenge.                                                               

Party Animal (Bronze) – Completed the “Total Debauchery” Road Challenge.                                                                                                

Mile High Club (Bronze) – Complete the “Really Frequent Flyers” Road Challenge.                                                                                 

Guitar Perfectionist (Bronze) – Get 100% accuracy on Expert Guitar.                                                                                                              

Bass Streaker (Bronze) – Get a streak of 500 notes on Bass.                                                                                                                                     

Most Authentic Strummer (Bronze) – Hit 100% of the notes, only strumming up, on Hard Bass.                                                  

Drum Roll, Please! (Bronze) – Nail a drum roll.                                                                                                                                                        

Fastest Feet (Bronze) – Hit 90% of the Kick notes in a song on Hard Drums.                                                                                                      

Keys Streaker (Bronze) – Get a streak of 350 notes on Keys.                                                                                                                                

Drum Trainer Initiate (Bronze) – Complete the introductory Pro Drum Trainer lessons.                                                                   

Drum Trainer Graduate (Bronze) – Complete the final Pro Drum Trainer lessons.                                                                                        

Play A Real Guitar Already! (Bronze) – Play “The Hardest Button to Button” on Pro Guitar.                                                                    

Pro Guitar to the Max (Bronze) – Max out your Score Multiplier meter on Pro Guitar.                                                                         

Power Chords (Bronze) – Complete the “Power Chords” lessons in the Pro Guitar trainer.                                                                 

Complex Chords (Bronze) – Complete the “More Chord Holding and Arpeggiation” Pro Guitar lessons.                                             

Pro Keyboardist (Bronze) – Hit at least 90% of the notes in 3 songs on Expert Pro Keys.                                                                                

Pro Keys Graduate (Bronze) – Complete the final Pro Keys trainers.                                                                                                                     

Pro Keys to the Max (Bronze) – Max out your Score Multiplier meter on Pro Keys.                                                                                 

Triple Awesome (Bronze) – Get a Triple Awesome while playing with Vocal Harmonies.                                                                               

Is This Just Fantasy? (Bronze) – Hit all triple awesomes in “Bohemian Rhapsody” on Medium or a higher difficulty.          

Vocals Showmanship (Bronze) – Deploy overdrive four times in a single song as a vocalist.                                                 

Tambourine Master (Bronze) – Hit 100% of the notes in a percussion section.                                                                                         

Vocal Virtuoso (Bronze) – Earn an Awesome rating on at least 90% of the phrases in 6 songs on Hard Vocals.                             

Vocal Apprentice (Bronze) – 5 Star on Easy Vocals (or 3 Star on a higher difficulty) any 25 Rock Band 3 songs.          

Downloader (Bronze) – Play a downloaded song.                                                                                                                                             

Mercurial Vocalist (Bronze) – Earn 5 stars on Vocals on a downloaded Queen song.                                                                                 

Live Free or Die (Bronze) – Beat all of the free downloadable songs for Rock Band.                                                                                  

Fistful of Awesome (Bronze) – Beat 5 downloaded songs.                                                                                                                    

Accountant’s Dozen (Bronze) – Beat 12 downloaded songs.                                                                                                                            

Decent Collection (Bronze) – Beat 20 downloaded songs.                                                                                                                                               

I Want It All (Bronze) – Play a downloaded Queen song.                                                                                                                               

Shameless Self-Promotion (Bronze) – Download and play three songs from a band that has Harmonix team members in it. 

Just Another Band Out of Boston (Bronze) – 5 Star any Boston song.                                                                                                           

Face Melter (Bronze) – Melt faces by beating any three ’80s Metal songs.                                                                                                          

Dave Grohl Band (Bronze) – Beat 5 songs from any band that has had Dave Grohl as a member.                                                                 

The Perfect Drug (Bronze) – Get a 200 note streak on “The Perfect Drug”.                                                                                                            

Pro Keys Apprentice (Silver) – 5 Star on Easy Pro Keys (or 3 Star on a higher difficulty) any 25 Rock Band 3 songs.                      

Pro Guitar Apprentice (Silver) – 5 Star on Easy Pro Guitar (or 3 Star on a higher difficulty) any 25 Rock Band 3 songs.             

Keys Apprentice (Silver) – 5 Star on Easy Keys (or 3 Star on a higher difficulty) any 25 Rock Band 3 songs.                                         

Pro Bass Apprentice (Silver) – 5 Star on Easy Pro Bass (or 3 Star on a higher difficulty) any 25 Rock Band 3 songs.                     

Drums Apprentice (Silver) – 5 Star on Easy Drums (or 3 Star on a higher difficulty) any 25 Rock Band 3 songs.                              

Bass Apprentice (Silver) – 5 Starred on Easy Bass (or 3 Starred on a higher difficulty) 25 Rock Band 3 songs.                                  

Guitar Apprentice (Silver) – 5 Star on Easy Guitar (or 3 Star on a higher difficulty) any 25 Rock Band 3 songs.                                

HOPO-cidal Maniac (Silver) – Kill 53,596 Hammer-ons and Pull-offs.                                                                                                      

Bleeding Fingers (Silver) – Get 85% on all Guitar Solos in Rock Band 3 on Hard or Expert.                                                                  

Ultimate Road Warrior (Silver) – Win all awards on the “Really Frequent Flyers” Road Challenge.                                                      

The Connoisseur’s Connoisseur (Silver) – Get 90 or more spades on “The European Connoisseur” Road Challenge.                       

Major Mileage (Silver) – Get 90 or more spades on “The Long Drive South” Road Challenge.                                                                    

Hell Defrosted (Silver) – Win all rewards on the “Hell Freezes Over” Road Challenge.                                                                                        

Rock Band Legend (Silver) – 5 Star every song in Rock Band 3 on Hard.                                                                                                              

Rock Band Immortal (Silver) – 5 Star every song in Rock Band 3 on Expert.                                                                                                  

The Endless Setlist III (Gold) – Sucessfully complete “The Endless Setlist III!”                                                                                          

Rock Band 3 Completionist (Platinum) – Won all Rock