Naruto: Clash of Ninja Cheats on GameCube

Unlock Extra Characters

Rock Lee - Beat Zaibuzan in story mode without using continues, and then beat Rock Lee when he appears.

Kyuubi Naruto - Unlock Rock Lee, and then beat the game with all characters. Now highlight Nartuto on the character select screen and press X or Z.

Sharingen Kakashi - Beat the game with Kyuubi Naruto, and then beat the game with Kakashi. Now highlight Kakashi on the character select screen and press X or Z.

Alternate Costumes

On the character select screen, highlight a character and press Y.

Unlock Sound Test

Beat the game with every default character.

Unlock Hinata

Clear story mode using Sakura. Find this fighter by highlighting Rock Lee and pressing X.

Unlock 9 tailed fox Naruto

To unlock 9 tailed fox naruto beat 1 player mode with every characher 2 times after you get Rock Lee.

Special Attacks

To use a character's special attack, press the X button when your character's chakra is full. These attacks are powerful, and if used at the right time, can defeat your opponent. To name a few, there is Kakashi's Chidori (Lightning Blade), Naruto's Clone Barrage, Zabuza's Silent Killing Technique, and Lee's Forward Lotus. Or if you're in a tight situation, you can just press the L or R button to use the Replacement Jutsu.