LearnYaku.com
A study tool for Yaku in Riichi Mahjong

Learn the winning hand patterns (yaku) used in Japanese Mahjong — with flashcards, quizzes, and a glossary of key terms. No prior Mahjong knowledge needed to get started.

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Before You Start

Learn the basic terms of Riichi Mahjong before diving into Yaku. Click each card to read its explanation.

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