Mutant Night (Japan) is a variation or specific regional release of the arcade game Mutant Night. The "(Japan)" designation clarifies its origin and suggests potential differences in gameplay, graphics, or storyline compared to any international releases that may have existed. This version was likely distributed only within Japan.  More information is needed to understand the full extent of its differences from other versions, and the developer or distributor remains unknown without further research.

Mutant Night (Japan)

Mutant Fighter (World ver EM-4)