Ninja Five-O, known in PAL regions as Ninja Cop, is a video game for the Nintendo Game Boy Advance, released by Konami in 2003.
The player takes role of the ninja cop Joe Osugi, who battles a group of evil ninja masters and the terrorist cells under their control.
Ninja Five-O features ninja swords, shuriken throwing stars, ninjutsu magic and a kaginawa grappling hook system to create acrobatic moves in the style of Bionic Commando.