From the Super Mario Wiki, the Mario encyclopedia
This microgame is based on the video game Green House in the Game & Watch series. The purpose of the game is to spray two worms that try to eat plants in a greenhouse. The worms crawl along vines to reach the plants, which the player may stop by tapping silhouettes to the left and right. Successfully tapping the silhouettes results in the depicted character spraying the worms, while failure to do so results in the game's loss.
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