Greatest Hits
Perfect every song on the disc and get a clean sweep of Diamond Records.
75 ✓ September 24th, 2010
Legend to Be
Win the full, single player American Idol tournament at Expert difficulty.
50 ✓ September 23rd, 2010
Combo King!
Pull off a Perfect Combo of 50 phrases in length.
50 ✓ September 23rd, 2010
Professional Singer
Get a Platinum ranking on a song with both lyrics and staff off.
50 ✓ September 23rd, 2010
Enough to Buy a Small Country
Achieve 100 Diamond performances.
35 ✓ September 24th, 2010
Long Road to Stardom
Score 25 million points (cumulative in any mode).
35 ✓ September 24th, 2010
Expert Diamond
Score a Diamond Record on Expert.
30 ✓ October 7th, 2010
Best Friends Forever
Achieve "Excellent" comments from Simon five times in a row during the American Idol Finals.
30 ✓ September 24th, 2010
Kelly Did It First
Win an American Idol tournament at Expert difficulty without ever being in the bottom group.
30 ✓ September 23rd, 2010
1st Number One!
Perfect a song to get your first Diamond record!
25 ✓ September 23rd, 2010
Enough to Buy an Island
Achieve 50 Diamond performances.
25 ✓ September 24th, 2010
Need a Bigger House
Achieve 200 Platinum or higher performances.
25 ✓ September 24th, 2010
Randy's Dog Pound
Earn Platinum scores for 10 or more of Randy's favorite songs in a single American Idol competition.
20 ✓ September 24th, 2010
Geology
Complete a 5 Song Medley composed only of Rock and Hard Rock songs to Platinum rating.
20 ✓ September 24th, 2010
Hairspray
Complete a 5 Song Medley composed only of Pop and R&B songs to Platinum rating.
20 ✓ September 24th, 2010
Enter the Crooner
Complete a 5 Song Medley composed only of Ballad, Classics and Country songs to Platinum rating.
20 ✓ September 24th, 2010
Blue Jeans and Pink Spandex
Complete a 5 Song Medley composed exclusively of 80's and Disco songs to Platinum rating.
20 ✓ September 24th, 2010
Simon's Star Signing
Earn Platinum scores for 10 or more of Simon's favorite songs in a single American Idol competition.
20 ✓ September 24th, 2010
An American Virtuoso
Prove your dominance by winning 5 Ranked Xbox LIVE American Idol tournaments.
20 ✓ October 23rd, 2010
Head-Busting Virtuoso
Prove your dominance by winning 15 Ranked Xbox LIVE Head To Head matches.
20 ✓ October 16th, 2010
Leagues Ahead Virtuoso
Prove your dominance by winning 5 Ranked Xbox LIVE Arcade League matches.
20 ✓ October 23rd, 2010
Paula's Soulmate
Earn Platinum scores for 10 or more of Paula's favorite songs in a single American Idol competition.
20 ✓ September 24th, 2010
A Dirty Dozen
Score 12 million points (cumulative in any mode).
20 ✓ September 24th, 2010
Hard Diamond
Score a Diamond Record on Hard.
20 ✓ September 24th, 2010
Busting Heads the World Over
Demonstrate your prowess by winning your first Ranked or Player Xbox LIVE Head To Head match.
15 ✓ October 16th, 2010
Leagues Ahead of the World
Demonstrate your prowess by winning your first Ranked or Player Xbox LIVE Arcade League.
15 ✓ October 16th, 2010
The World's Greatest American
Demonstrate your prowess by winning your first Ranked or Player Xbox LIVE American Idol tournament.
15 ✓ October 16th, 2010
Change your Passion for Glory
Complete the song "Eye of the Tiger" while wearing the full Stars and Stripes Boxer outfit.
15 ✓ September 24th, 2010
Ladies' Man, No Time to Talk
Complete the song "Stayin' Alive" while dressed like a 70's Disco King!
15 ✓ September 24th, 2010
Young Man!
Complete Y.M.C.A. in duet mode while wearing the appropriate headwear.
15 ✓ October 8th, 2010
Heading in the Right Direction
Complete 5 offline Head To Head games.
10 ✓ October 6th, 2010
20000 Leagues Under the TV
Complete 5 offline League games.
10 ✓ October 6th, 2010
International Grudge
Take on the World and play a Ranked or Player Xbox LIVE Head To Head match.
10 ✓ October 16th, 2010
Taking on the World
Take on the World and play a Ranked or Player Xbox LIVE Arcade League.
10 ✓ October 16th, 2010
Going Global
Take on the World and play a Ranked or Player Xbox LIVE American Idol tournament.
10 ✓ October 16th, 2010
Debut Album
Unlock and sing every song at least once!
10 ✓ September 24th, 2010
Ready for Stardom
Out-sing the competition to win your first full, single player American Idol tournament.
10 ✓ September 23rd, 2010
Major Recording Artist
Earn 1 Diamond record in the Recording Studio at Hard or Expert difficulty.
10 ✓ September 24th, 2010
On the Guest List
Earn 1 Diamond record in the Nightclub at Hard or Expert difficulty.
10 ✓ September 24th, 2010
Spreading the News!
Earn 1 Diamond record in New York at Hard or Expert difficulty.
10 ✓ September 24th, 2010
When's the Game on?
Earn 1 Diamond record in the Stadium at Hard or Expert difficulty.
10 ✓ September 24th, 2010
Dive Right In
Earn 1 Diamond record in the Dive Bar at Hard or Expert difficulty.
10 ✓ September 24th, 2010
Completely Ruined!
Earn 1 Diamond record in the Gothic Ruins at Hard or Expert difficulty.
10 ✓ September 24th, 2010
Video Killed the Karaoke Star
Earn 1 Diamond record in the Music Video at Hard or Expert difficulty.
10 ✓ September 24th, 2010
Frankie Says...
Complete a duet of any 80's song with a male and female character dressed for the 80's!
10 ✓ October 7th, 2010
Party Central
Compete offline in an American Idol Multi Player Contest.
10 ✓ September 24th, 2010
Idolized
Win 15 American Idol single player tournaments.
10 ✓ September 24th, 2010
Wearing Me Out
Completely customize a single character and use that character to sing a song.
5 ✓ September 23rd, 2010
Together Forever
Achieve Diamond Status on all True Duets on the game disc in Duet mode.
20 
Harmony in 'Dis Harmony
Achieve Diamond Status on a True Duet in Duet mode.
15