The TW Network
 Shonen Jump Fighters
Fighter ID:
 Password

Games
Ninkū (Game Boy) / Ninku
Game Boy
Ninkū 2 / 忍空2 天空龍への道, Ninku 2
Game Gear
Ninkū / NINKU ～強気な奴等の大激突！～
Saturn

Storyline
Ninkū
Background