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Sony PSP - Mega Man Powered Up cheats

Unlock Characters:

Unlock Blues/Protoman:
Finish all 100 challenges in challenge mode. 

Unlock Mega Man C:
Finish New Style in normal mode. 

Unlock Rockman S:
Finish New Style in easy mode. 

Unlock Mega 
Finish all levels on the Hard mode.

Unlock Bosses 
Beat a Robot Master in New Style mode.
Use only Mega Buster or Rock Buster.

Charge Shot/Sliding move 
Finish the game on the Normal mode.