Atama mahjong
Atama Mahjong 「アタマ麻雀」 is a modification to mahjong rules. It features the ability to call on tile by virtue of possession of a single tile. In other words, tile calls can be made to complete pairs, hence the name "atama mahjong".
External links
- 【アタマ麻雀】のルール説明するよ! (YouTube)
- Game tutorial on Atama rules.