Greatest Hits
Perfect every song on the disc and get a clean sweep of Diamond Records.
75 
Legend to Be
Win the full, single player American Idol tournament at Expert difficulty.
50 
Combo King!
Pull off a Perfect Combo of 50 phrases in length.
50 
Professional Singer
Get a Platinum ranking on a song with both lyrics and staff off.
50 
Enough to Buy a Small Country
Achieve 100 Diamond performances.
35 
Long Road to Stardom
Score 25 million points (cumulative in any mode).
35 
Expert Diamond
Score a Diamond Record on Expert.
30 
Best Friends Forever
Achieve "Excellent" comments from Simon five times in a row during the American Idol Finals.
30 
Kelly Did It First
Win an American Idol tournament at Expert difficulty without ever being in the bottom group.
30 
1st Number One!
Perfect a song to get your first Diamond record!
25 
Enough to Buy an Island
Achieve 50 Diamond performances.
25 
Need a Bigger House
Achieve 200 Platinum or higher performances.
25 
Randy's Dog Pound
Earn Platinum scores for 10 or more of Randy's favorite songs in a single American Idol competition.
20 
Geology
Complete a 5 Song Medley composed only of Rock and Hard Rock songs to Platinum rating.
20 
Hairspray
Complete a 5 Song Medley composed only of Pop and R&B songs to Platinum rating.
20 
Enter the Crooner
Complete a 5 Song Medley composed only of Ballad, Classics and Country songs to Platinum rating.
20 
Blue Jeans and Pink Spandex
Complete a 5 Song Medley composed exclusively of 80's and Disco songs to Platinum rating.
20 
Together Forever
Achieve Diamond Status on all True Duets on the game disc in Duet mode.
20 
Simon's Star Signing
Earn Platinum scores for 10 or more of Simon's favorite songs in a single American Idol competition.
20 
An American Virtuoso
Prove your dominance by winning 5 Ranked Xbox LIVE American Idol tournaments.
20 
Head-Busting Virtuoso
Prove your dominance by winning 15 Ranked Xbox LIVE Head To Head matches.
20 
Leagues Ahead Virtuoso
Prove your dominance by winning 5 Ranked Xbox LIVE Arcade League matches.
20 
Paula's Soulmate
Earn Platinum scores for 10 or more of Paula's favorite songs in a single American Idol competition.
20 
A Dirty Dozen
Score 12 million points (cumulative in any mode).
20 
Hard Diamond
Score a Diamond Record on Hard.
20 
Harmony in 'Dis Harmony
Achieve Diamond Status on a True Duet in Duet mode.
15 
Busting Heads the World Over
Demonstrate your prowess by winning your first Ranked or Player Xbox LIVE Head To Head match.
15 
Leagues Ahead of the World
Demonstrate your prowess by winning your first Ranked or Player Xbox LIVE Arcade League.
15 
The World's Greatest American
Demonstrate your prowess by winning your first Ranked or Player Xbox LIVE American Idol tournament.
15 
Change your Passion for Glory
Complete the song "Eye of the Tiger" while wearing the full Stars and Stripes Boxer outfit.
15 
Ladies' Man, No Time to Talk
Complete the song "Stayin' Alive" while dressed like a 70's Disco King!
15 
Young Man!
Complete Y.M.C.A. in duet mode while wearing the appropriate headwear.
15 
Heading in the Right Direction
Complete 5 offline Head To Head games.
10 
20000 Leagues Under the TV
Complete 5 offline League games.
10 
International Grudge
Take on the World and play a Ranked or Player Xbox LIVE Head To Head match.
10 
Taking on the World
Take on the World and play a Ranked or Player Xbox LIVE Arcade League.
10 
Going Global
Take on the World and play a Ranked or Player Xbox LIVE American Idol tournament.
10 
Debut Album
Unlock and sing every song at least once!
10 
Ready for Stardom
Out-sing the competition to win your first full, single player American Idol tournament.
10 
Major Recording Artist
Earn 1 Diamond record in the Recording Studio at Hard or Expert difficulty.
10 
On the Guest List
Earn 1 Diamond record in the Nightclub at Hard or Expert difficulty.
10 
Spreading the News!
Earn 1 Diamond record in New York at Hard or Expert difficulty.
10 
When's the Game on?
Earn 1 Diamond record in the Stadium at Hard or Expert difficulty.
10 
Dive Right In
Earn 1 Diamond record in the Dive Bar at Hard or Expert difficulty.
10 
Completely Ruined!
Earn 1 Diamond record in the Gothic Ruins at Hard or Expert difficulty.
10 
Video Killed the Karaoke Star
Earn 1 Diamond record in the Music Video at Hard or Expert difficulty.
10 
Frankie Says...
Complete a duet of any 80's song with a male and female character dressed for the 80's!
10 
Party Central
Compete offline in an American Idol Multi Player Contest.
10 
Idolized
Win 15 American Idol single player tournaments.
10 
Wearing Me Out
Completely customize a single character and use that character to sing a song.
5