[Variation] Riichi [Hong Kong] No [HK New] No [CO] No [Classical] No [Korean] Yes [Taiwan] Yes [Malaysia/Singapore] No [Three player mahjong J/K] Yes [American] No [Japanese] 
Yes
O p t i o n a l
U n c o m m o n
Y e s
N o
M u l t i p l i e r s
W i n n e r
1 y