Naruto Cheats

Everyone that needs to be unlocked note some of these charcters are glitches and put in by accident use at your own risk

Play as Rock Lee:
To unlock Rock Lee play the game in Story mode and defeat the Zaibuzan without using any continues.
Play as Kyuubi Naruto:
Highlight Kyuubi Nartuto at the character selection screen and press X or Z once you have unlocked Rock Lee and successfully completed the game in Single Player mode with all the characters.
Play as Sharingen Kakashi:
Highlight Sharingen Kakashi at the character selection screen and press X or Z once you have unlocked and completed in Single Player mode Kyuubi Naruto.
Alternate Costumes:
Highlight a fighter and press Y at the Character Selection screen.
Sound Test:
To unlock the Sound Test option in the Omake menu successfully complete the game with all the default characters in Single Player mode.

To play as Rock Lee, complete the story mode up without continuing up to the fight with Zaibuzan. After defeating Zaibuzan, Rock Lee would challenge you. Defeat him and the story ends after another scene. You are now able to select him in the other modes of play