CAPCOM VS. SNK PRO UNLOCKABLES
Shin Akuma
Highlight Akuma at the character selection screen, then hold Start and press any button.
Hidden fighters
Gouki, Morrigan, Nakoruru, Evil Ryu, and Shin Iori cost 300 Groove Points. Play versus, arcade, training, or pair match modes to get points. Buy them from the character shop in price mode. Other extra characters cost 50 Groove Points. REMEMBER: You cannot buy Ryu, Iori, Dan or Joe.
Fight against Gouki as final Boss
Get 80 or more Groove Points by the end of the last regular fight with any combination of fighters to fight Shin Gouki as the final Boss in arcade mode.