Super Mahjong Taikai (Rev A) is a revised version of the Super Nintendo Entertainment System Mahjong game, Super Mahjong Taikai. This revision, indicated by 'Rev A', likely contained bug fixes, balance adjustments, or minor enhancements over the original version. The core Mahjong gameplay would remain similar.  The developer's identity remains unknown.

Super Mahjong Taikai (Japan) (Rev A)

Super Mahjong 2 - Honkaku 4 Nin Uchi (Japan) (Rev A)