Ultraman is an action game based on the popular Japanese tokusatsu series. Released for the Sega Genesis in Japan, it likely featured gameplay revolving around the iconic hero, Ultraman, fighting monsters and saving the world.  The graphics and gameplay mechanics would have been tailored to the system's hardware limitations of the time, likely incorporating side-scrolling action or beat 'em up elements. The developer and publisher would be specific to the Japanese release.

Ultraman (Japan)

Ultimate Qix (USA)