Super Uno, a Japanese release for the Super Nintendo Entertainment System, is a relatively obscure title. Details on its gameplay and historical context are scarce.  Given the title, it's likely a card game or puzzle game, possibly a variation on Uno. Its 'Rev A' designation suggests a later revision of the game cartridge. Further research is needed to determine the developer, publisher, and specific gameplay mechanics. The game's rarity and limited online information make it a challenge for SNES collectors to obtain.

Super Uno (Japan) (Rev A)

Super Ultra Baseball 2 (Japan)