Use the ARROW/アロー keys to control the jellyfish and eat plankton. Streams of bubbles carry あなた upwards. Avoid knocking into the 上, ページのトップへ of the 'tank'; also beware of crabs. Fun!
This is a simple idea THAT あなた CAN ADAPT. Use different materials for tentacles, cut the paper plate into a もっと見る realistic (or crazy または whatever) jellyfish shape. THE ONLY IS YOUR IMAGINATION.