Bad Dudes vs. Dragonninja was released in April 1988 in USA. It is known in Japan as "Dragonninja".

This American version has a different ending sequence to that of the original Japanese version.

A Bad Dudes vs. Dragonninja unit appears in the 1990 movie 'Robocop 2', and in the 1989 movie "Parenthood".

CONSOLES:
Nintendo Famicom (jul.14, 1989) "Dragon Ninja [Model NAM-DN-5800]"
Nintendo NES (1990) "Bad Dudes vs. Dragonninja [Model NES-55-EEC]"
Nintendo NES (jul. 1990) "Bad Dudes [Model NES-DU-USA]"
Nintendo Wii (feb.19, 2010) "Data East Arcade Classics [Model RVL-P-R26E]"
[MX] Zeebo (jul.27, 2010)

COMPUTERS:
Amstrad CPC (1988) "Bad Dudes vs. Dragonninja [Model 112652]" by Imagine Soft.
Atari ST (1989) "Bad Dudes vs. Dragon Ninja" by Imagine Soft.
Commodore Amiga (1989) "Bad Dudes vs. Dragonninja" by Imagine Soft.
Commodore 64 (1988) "Bad Dudes [Model 406-0173]"
Commodore 64 (1988) "Dragon Ninja" by Imagine Soft.
PC [MS-DOS] (1988) "Bad Dudes [Model 406-0175]"
Commodore Amiga (1989) "Bad Dudes" by Imagine Soft.
Commodore Amiga (1989) "Bad Dudes [Model 406-196]" by Data East USA, Inc.
Atari ST (1989) "Bad Dudes vs. Dragon Ninja" by Hit Squad
Sinclair ZX Spectrum+3 (1988) "Bad Dudes vs. Dragonninja" by Imagine Soft.
Sinclair ZX Spectrum (1988) "Dragon Ninja" by Imagine Soft.
MSX (1988) "Dragon Ninja" by Imagine Soft.
Amstrad CPC (1989) by Ocean
Apple II (apr. 1988) "Bad Dudes [Model 406-0177]"