Puyo + Puyo + Puyo + Puyo = 0

Dreamcast, Saturn, and Mega Drive must complete tasks to earn credit medals, but this time they don't have to go inside a game... Their task now is to use Puyo Puyo to create a new game. But here's the catch: anyone who comes up with a bad idea will lose medals! Saturn and Mega Drive think hard, but Dreamcast is the first to raise her hand...