One Piece Unlimited Cruise - Episode 1 - Platform: Wii

Unlockable Characters/Modes:
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Beat certain bosses on the right difficulty to unlock 
them as playable characters in versus mode. 

Unlockable   How to Unlock
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Aokiji     - Beat him him on normal difficulty 	
Enel       - Beat him him on normal difficulty 	
Final Boss - Beat him in Hard mode 	
Krieg      - Beat him him on normal difficulty 	
Kuma       - Beat him in hard mode 	
Kuro       - Beat him him on normal difficulty 	
Moria      - Beat him him on normal difficulty 	
Spandam    - Beat him him on normal difficulty 	
Wapul      - Beat him him on normal difficulty


Alternate costumes:
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Successfully complete the game, then start a New Game+ on the Hard
difficulty. Open the treasure chest on the Sunny with the key to 
the lockers. Go to girl's room to change the costumes of your 
characters.


Special combined attack:
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Successfully complete all 50 rounds in Survival mode. A chest with 
a certificate will appear. Brook, Nami, Robin, and Usopp can now 
perform a special combined attack.