| Aka: | Ninja Ryuukenden (JP), Legend of the Ninja Dragon Sword (JP), Shadow Warriors (EU), Shadow Warriors |
| Console: | Nintendo Entertainment System (NES) |
| TV Standard: | Region Not Set |
| Developer(s): | Tecmo |
| Publisher(s): | Tecmo |
| Release Date: | 1989-03-10 |
| Players: | 1 |
| Co-op: | No |
| ESRB: | E10+ - Everyone 10+ |
| Type: | Action, Platform |
Ryu Hayabusa of the Dragon Ninja Clan receives a letter from his father, saying that he was leaving for a duel with an unknown warrior. Should he not return, Ryu was to go to America and seek a man named Walter Smith. Ryu honors his father's last request, and travels to America. While there, he is kidnapped by a CIA agent and given a statue of a hideous beast.
Game Player of Ninja Gaiden on Nintendo Entertainment System (NES)Generally, you can review the controls (keyboard) setting during each game in the screen before it starts. Use the arrow keys and “Z”, “X”, “A”, “S”, “Q”, “E” buttons to play, or customize yourself with your gamepad or keyboard.
| Keyboard | Controls |
| ← → ↑ ↓ | Directions for LEFT, RIGHT, UP, DOWN |
| Enter ↵ | START |
| Shift | SELECT |
| Z | A |
| X | B |
| A | X |
| S | Y |
| Q | L |
| E | R |
