Ninja Gaiden is a side-scrolling game where Ryu the ninja can run, jump, and slash with his ninja sword. He can also attach to any vertical surface. Power-ups are littered throughout the landscape that allow Ryu to toss fireballs and ninja stars, and perform other feats.
Ninja Gaiden is set in various environments such as urban cities, forests, jungles, snow-covered castles, underground railroads, and ancient castles. The game's storyline unfolds through cinematic scenes, sometimes in full screen mode.
Gameplay involves guiding Ryu through these settings, avoiding enemies and obstacles while collecting power-ups to enhance his abilities. The game requires skill and timing as Ryu navigates treacherous terrain and battles against a variety of foes.
The Sega Game Gear is the console where Ninja Gaiden was released, on November 1st, 1991. It is classified as an Action & Adventure game.