At the main menu, select "Options", "Cheats", "Enter New Cheat", then enter one of the following codes to unlock the corresponding cheat option. If you entered the code correctly, a message will appear.
Press Blue, Yellow, Green, Yellow, Red, Green, Red, Yellow.
Press Red, Green, Blue, Green, Blue, Green, Red, Green.
Press Yellow, Green, Yellow, Blue(2), Red, Blue, Red. Alternately, successfully complete the "Duran Duran - Rio" Gold Bonus Challenge in Career mode to unlock the "Auto Kick" option.
Press Yellow, Green, Yellow(3), Red, Blue, Red. Alternately, successfully complete the "Styx - Mr. Roboto" Platinum Bonus Challenge in Career mode to unlock the "All Slider Gems" option.
Press Yellow(2), Green(2), Red(2), Blue(2).
Press Yellow(2), Blue, Green, Blue, Red(3).
Press Green, Red, Green, Red, Yellow, Blue, Green, Red. Alternately, successfully complete the "Alphabeat - Fascination" Platinum Bonus Challenge in Career mode to unlock the "HUD Free Mode" option.
Press Blue(2), Red, Yellow, Red, Yellow, Blue(2).
Press Blue, Yellow, Blue, Red(2), Yellow, Green, Yellow. Alternately, successfully complete the "Aly & AJ - Like Whoa" Platinum Bonus Challenge in Career mode to unlock the "Air Instruments" option.
Press Green, Red, Yellow, Green, Yellow, Blue, Yellow, Green. Alternately, successfully complete the "Filter - Take A Picture" Platinum Bonus Challenge in Career mode to unlock the "Invisible Characters" option.
Successfully complete the indicated task in Career mode to unlock the corresponding character:
Create a setlist containing all "Secret Notes" songs. Then, play Vocals only, set the difficulty to Beginner, and put the microphone in front of a fan. You should get 100% on all songs and get the "Treasure Hunt" and all "Secret Notes" achievements.
Accomplish the indicated achievement to get the corresponding number of Gamerscore points: