Unlock Easy Difficulty       Finish all levels in easy mode
Unlock Normal Difficulty     Finish all levels in normal mode
Unlock Hard Difficulty       Finish all levels in hard mode
Stage 1 Cleared (10)         Beat stage 1 in any difficulty.
Stage 2 Cleared (10)         Beat stage 2 in any difficulty.
Stage 3 Cleared (10)         Beat stage 3 in any difficulty.
Stage 4 Cleared (10)         Beat stage 4 in any difficulty.
Stage 5 Cleared (10)         Beat stage 5 in any difficulty.
Stage 6 Cleared (10)         Beat stage 6 in any difficulty

Easy Difficulty Mode Cleared (50 gamerscore points): 
     Finish all stages in easy mode.

Normal Difficulty Mode Cleared (100 gamerscore points): 
     Finish all stages in normal mode.

Hard Difficulty Mode Cleared (150 gamerscore points): 
     Finish all stages in hard mode.

Total Play Time of 15 Hours (99 gamerscore points): 
     Accumalte at least 15 hours of game play.

Hell Difficulty Mode Cleared (1 point): 
     All stages finised in Hell mode.

Full Power-Up completed (150 gamerscore points): 
     All in-game power-up elements collected.

Chaos Difficulty Mode Cleared (250 gamerscore points): 
     All stages finished in Chaos mode.

All Stages Cleared (140 gamerscore points): 
     All stages finished in a difficulty mode.

Unlock Hell Mode
     Beat  the  game  through  on  Hard Then Chaos Mode to Unlock this
Difficulty.

Unlock Chaos Mode
     Complete Easy, Normal, and Hard Modes.

Extra Options
     You  can  unlock the Stage Select and Concept Missions options by
completing the game under any difficulty setting.

Concept Missions (downloadable content missions): 
     Complete the game under any difficulty stting.

Stage Select: 
     Complete the game under any difficulty setting.