From the Super Mario Wiki
Retrieved from "https://www.mariowiki.com/index.php?title=Heads_Up&oldid=2853421"
There is a boy with a large baseball glove in the foreground, and a pitcher in the distant background. The pitcher throws a ball, and the player must catch it by moving left and right. Sometimes, the pitcher throws curve-balls, so the player must be ready for a ball traveling in either direction. The player fails the microgame if the baseball hits the screen or hits the boy's face.
WarioWare Gold removes the curve-balls, instead having the pitcher throw the ball high in the air or having the ball bounce before making it to the player in later levels.
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