Go to Woogi Market. Buy some feet and hands. Go to your house and put yourself in the outfits. Take off the feet and hands then sell them. Go back to your house and put on your outfits. You will now be just a head.
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Have no eyes or mouth
Go to the salon. Buy eyes and a mouth. Go to your wigwam make it an outfit. Take off the outfit, then trash the eyes or mouth but not the outfit.
Get past red rope in arcade
Go to the place with the arcade. Click the arcade. As your Woogi is walking to the arcade, display the map and jump to the science lab. If you keep going to the right you will end up in the arcade, in the room that has been blocked by a red rope.