While the Flash game is the definitive version, KooooN Soft and other developers have created modern alternatives.
At its heart, Shinobi Girl is a straightforward horizontal scrolling action game. Players use the directional keys to move, crouch, and jump. Combat is simple but effective, utilizing a kick attack (Z key) and a powerful flame magic ability (X key) that can be charged up to clear the screen of enemies. Shinobi Girl Flash Game Full Version