Izzy's Quest for the Olympic Rings (USA) (Beta) represents a pre-release version of the game. This beta version may have contained unfinished features, glitches, or gameplay mechanics that were altered or removed before the final release.  By studying this beta, researchers could gain insights into the game's development process and perhaps uncover changes made between the beta and final versions.  The existence of a beta emphasizes the developmental steps involved in producing a SNES game and how a game can evolve during its development phases.  Detailed information about this beta would require specialized resources that track beta releases of SNES games.

Izzy's Quest for the Olympic Rings (USA) (Beta)

Itou Hatasu Rokudan no Shougi Doujou (Japan) (Rev A)