Ninja

Ninja is a beat 'em up game developed by Sculptured Software and released by Mastertronic in 1986 for the Atari 8-bit family, Commodore 64, and ZX Spectrum, then in 1987 for the Amstrad CPC, Amiga, Atari ST, and MS-DOS. An arcade version of the game was released in 1987 for Mastertronic's Arcadia Systems which is based on Amiga hardware. The Amiga, Atari ST, and Arcade versions were released as Ninja Mission. As a Ninja, the player attacks a fortress made of individual fixed screens which can be explored non-linearly.