Dance Dance Revolution Ultramix cheats and cheat codes for XBox

Complete all songs and challenge mode:
Choose the "Options" at the main menu, then select the "Credits". 
When you are at the credits screen, push Up Up, Down, Down, Left, Right, 
Left, Right, B, A buttons on your controller-4. If the code is accepted, 
you should hear a sound.

Unlock All The Hidden Songs 

Colors (For Extreme) song - Play 90-100 Songs 

Graduisic Cyber song - Reach an AA rank on any song 

Max300 - Reach AAA rank any song or win 300max on roulette and clear it

MSG2-Mission R song - Reach A rank on any song 

Orion.78 song (Civilization Mix) - Play 300 song

Put Your Faith in me song (Saturday Night Mix) - Quit or Fail any song 

Sana Morette Ne Ente song (BLT Style) - Get a C or higher on all three Sana Morette 

Ne Ente difficulties 

Healing Vision song (Angelic Mix) - Reach a C rank or higher on all 3 Healing 
Vision difficulty level

Paranoia Rebirth song - Reach a C rank or higher on all 3 Paranoia Eternal 
difficulty level