: Missions often break from tradition with unique segments, such as controlling a giant robot to fight bosses, riding a massive shuriken to mow down enemies, or balancing on top of a rolling ball.

: The game uses a bright, cartoony art style similar to The Legend of Zelda: The Wind Waker . While the technical graphics are minimalist by modern standards, the animations—particularly the ninja's "bloody" but cartoony finishers—are full of character.

Reviewers generally praise the game's creativity while noting a few common drawbacks: Mike Matei reviews I-Ninja for Nintendo Gamecube