An SG-1000/SC-3000 port of the arcade game Sega Ninja. It was also later ported to the MSX and Sega Master System (the latter retitled The Ninja).
Cheat Menu#
At the title screen, press Up, Down, Up, Up, Down, Down, Down, Up, Up, Down, Up. A cheat screen with a level select (middle option) and lives toggle (right option) will appear.