CheatCodes.com has all the official I-Ninja GameCube cheats to unlock everything. If you know of any that we don't have, please let us know.
All published and official codes as of Saturday May 18, 2013 for I-Ninja are shown below. We also have this game on PlayStation 2, Xbox, Game Boy Advance, GameCube, and sometimes tricks from other game systems will also work on GameCube.
Press start. Hold R and press Y, Y, Y, Y; release R, hold L and press Y, Y; release L, hold L+R and press Y, X, Y. To get rid of the big head just repeat the code.
Press start. Hold R and press B, B, B, X; release R, hold L, and press Y, Y; release L, hold R and press B, B. This only works for normal missions; it doesn't work for "collect the red coins" or "find all the enemies".
Get all the grades, then you shuold get the "Master" grade. The battle Arena will now be open in Robot Beach.
To beat O-Dor easier is to jump over the shurkins, then goo to him and jump and use B repeatly. Watch he will try to hit you back, so move to the right. After that do that a few times then he will bring you into space find him, it is really easy. Then jump out of the way of the missles and do the same thing repeatly (jump over shurkins andhit him in the belly, the circle thingy. Watch he will blow biscuits and does breath fire.) Then watch his health go down.
Found some tricks that we don't have? Got some helpful hints, tips, or tactics we don't know about? Tell us and you could win a free GameCube game (or any other game you want for any video game system)!