Tatsunoko vs. Capcom Cheats - Wii
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Unlock Second Character
Hold the partner button during the character introduction sequence prior to the start of a match to start the match with your second character.
Unlock Secret Characters
Saki Omokane - Clear Arcade mode once, then purchase her for 1,000 points.
Hakushon Daimaou - Clear Arcade mode once, then purchase him for 1,000 points.
Ippatsuman - Clear Arcade mode thrice, then purchase him for 2,000 points.
Viewtiful Joe - Clear Arcade mode thrice, then purchase him for 2,000 points.
Credit Doronjo Mini-game
Press [A] while credits roll to change the black background into a barebone platformer, in which you control Doronjo and her subordinates.
Post Match Movement
After you win a match, the "You Win" message will be shown at the screen. Press [+] on the wii remote to gain control of your character again.