CheatCodes.com has all the official I-Ninja PS2 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 Tuesday May 21, 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 PlayStation 2.
Press Start, then hold R1 and press Triangle(4). Release R1 and hold L1 and press Triangle(2). Then hold R1&L1 and press Triangle, Circle, Triangle.
Press Start then hold R1 and press Square(3), Circle. Release R1 and Hold L1 and press Triangle(2), Release L1 and Hold R1 and press Square(2).
There are only a certain number of sword upgrades. They are:
katana gold sword jade sword sapphire sword fire sword soul sword(Note: All swords past the katana take 2 hits to kill the weakest enemies, even the soul sword. They just change swords to make it look good!)
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 PlayStation 2 game (or any other game you want for any video game system)!