Medals are the 6 dotted rings on your profile selection screen in Super Mario Bros. Wonder. After returning to the title screen, hit the buttons shown to start
All Secret Exits and Hidden Wonder Seeds - Super Mario Bros. Wonder Guide - IGN
All Secret Exits and Hidden Wonder Seeds - Super Mario Bros. Wonder Guide - IGN
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List of Badges - Super Mario Bros. Wonder Guide - IGN
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List of Badges - Super Mario Bros. Wonder Guide - IGN
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