Yakuman DS is a mahjong game for the Nintendo DS produced by Nintendo. Yakuman DS is based on the Chinese game Mahjong, featuring various Mario characters and released in 2005 by Nintendo. In 2006, Nintendo re-released the game with an added online mode, under the name of Wi-Fi Taiō Yakuman DS.
The difficulty of each opponent is shown in the game with stars; the more stars that opponent has, the harder they are. Every opponent has different stats of Attack (effort on winning the hand), Luck, Skill (good strategy), Speed (speed on declaring ron (ロン) or tsumo (ツモ) and Defense (effort on preventing others to win). They all have different AI, and their style of play is described briefly behind the character's picture in the upper screen (while in the character selection screen). The opponents are:
Naturally, the character the player has chosen will not be available as an opponent.
References to other games