A beta version of the US release of Muhammad Ali Heavyweight Boxing for the Sega Genesis. Beta versions are usually pre-release test versions and may contain bugs or incomplete features compared to the final release. This version likely shared similar core gameplay to the official US release but might have contained differences in graphics, gameplay mechanics, or even the inclusion or absence of particular features. The development and publishing remain under Sega, and the beta version would have served as an essential step in preparing the game for its official launch. The game's gameplay probably adhered to standard boxing game conventions, possibly presenting the iconic boxing style of Muhammad Ali.

Muhammad Ali Heavyweight Boxing (USA) (Beta)

Mugen Senshi Valis (Japan)