This page contains I-Ninja Codes for Playstation 2 called "Upgrade sword" and has been posted or updated on Nov 9, 2006 by Balendin.
- Developer: Argonaut Games
- Publisher: Namco
- Genre: Action Platformer
- Release: Nov 18, 2003
- ESRB: Teen
Press Start to pause game play, then hold L1 + R1 and press Circle, Square, Circle, Triangle x2, Square, Circle, Square. Repeat this code three, four, or five times to get Soul Sword.
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