On July 14, 1989, a NES/Famicom port was developed by Sakata SAS and published in Japan by Namco as DragonNinja. In North America, the same version was released the same year by Data East USA simply as Bad Dudes. In Europe, it version was released in 1990 by Ocean Software as Bad Dudes Vs. DragonNinja.

Source: Wikipedia, "Bad dudes", available under the CC-BY-SA License.