>>76201022A setting that exists to allow you to play with a few additional yaku, but there's only 3 relevant ones. swallow flip, which is +1 for ronning someone on their riichi tile. just call everything, which gives you +1 for calling down to a single tile and also lets terminal nyaggers win. and uumensai, which is 1 each of every suit, a wind, and a dragon, so 5 different types. Oh and also ronning someone before your first draw is a yakuman.