P.N. 03 cheats and cheat codes for Gamecube

Unlock Hard mode:
Finish the game in easy or normal mode

Unlokc Ultra Hard Mode:
Finish the game in Hard Mode

Maxed out Papillon Suit without barrier, see more Wanessa, assign super moves:
Finish the game twice on the same saved file.

Maxed out Blackbird Suit and 3 super moves:
Finish the game in easy or normal mode.

Unlock Thunderbird P.N.02 Suit:
Finish the game with all suits in your inventory in any dificulty level.

Get Better ending:
Finish the game in normal mode

Get Best ending:
Finish the game in hard mode and reach minimum "Regular" ocverall rating.

Easy money:
Re-play the trial missions as many times as you want.
You will get extra money each time.

New Game+:
Finish the game on any difficulty level setting. You can replay the game
with all suits which you get it previously.

Viewtiful Joe trailer:
Jump to the options menu, after got to the gallery to watch the 
Viewtiful Joe trailer.