『ゲームセンターCX』コラボでも行っていた､ふたりで同時に同じゲームを進めるあそび｡
どんなゲームでも対戦ゲームにしてしまう､汎用性がたかーい遊びかたです｡
As you might recall from my Retro Game Master crossover, two people can compete by playing the same game at the same time. This versatile method lets you turn any kind of game into a competitive one.
