Play as Boss characters
Successfully complete the game with all of the characters to unlock Kraken. Successfully complete the game as Kraken to unlock Valgas. Note: To play as Final Valgas, successfully complete the game as Valgas without using continues under any difficulty setting. Enter the page 12 of the Power Stone Collection to see Final Valgas. Note: Final Valgas may only be selected in versus mode, by only one player per match.