Bloody Wolf © 1988 Data East USA
North American release. Game developed in Japan. See the original for more information; Narazumo Sentou Butai - Bloody Wolf.
Even if the titlescreen of the game show a 1988 copyright, Bloody Wolf was released to the public in February 1989.
The USA and European versions each have different dialogues. The European version has dialogue before each boss fight and the endings are different.
Bloody Wolf was licensed to Romstar, INC for US distribution and in fact, went through all the name changes during the testing cycle before release.
(1990) "Bloody Wolf [Model TGX0400037]"