Set in feudal Japan, Nippon Pro Mahjong Renmei Kounin: Tetsuman is a game of strategy and skill. Players take on the role of a samurai seeking to restore honor to their clan by winning games of mahjong.
The gameplay is fast-paced and competitive, with players competing against each other in turn-based matches. The goal is to win as many games as possible to become the ultimate Tetsuman, a master of the Mahjong universe.