Depending on the roll of the fish dice, each turn in Kappa Bros! (カッパ兄弟), you either add more water to the plate, move the plate to another Kappa, or do both! Whoever breaks the surface tension and spills any water loses. Kappa Bros! is an authorized reworking of KAPPA-TAN, first released by Itsuka Tanaka and ASOBI.dept.

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