From the Super Mario Wiki
Players have to select as many Goombas, Galoombas, or Goombrats as possible. Before the game begins, one player chooses what enemy players should select in the game. Each time a player picks the right enemy, they earn a point. Should a player choose a wrong enemy, they lose a point. The player with the most points in the end wins.
− Move cursor
"Point quickly! Tag 'em with !"
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