I-Ninja is an action-adventure game released in 2003 for the Nintendo GameCube. Developed by Argonaut Games and published by Namco, the game centers around a small yet fierce ninja, known simply as Ninja, on a quest to rescue his sensei and defeat the evil Ranx army. Players traverse various levels that involve platforming challenges, combat, and puzzle-solving. The game is known for its humorous tone, diverse gameplay mechanics, and the engaging progression system that allows Ninja to gain new abilities and weapons.