Kid Niki - Radical Ninja © 1986 Data East USA, Incorporated.
Specific US release. For more information about the game itself, please see the original Japanese version entry; "Kaiketsu Yanchamaru".
Kid Niki Radical Ninja was released in December 1986 in USA.
The following ports are US releases only :
CONSOLES:
Nintendo NES (nov.1987) [Model NES-KD]
COMPUTERS:
Commodore C64 (1987)
Apple II (1987)
Game's ROM.