There is a Octopus named Octo and his friend, an oyster named Shelly wanted to test Octo's jump skill. Collect a lot of pearls that can be use for Octo's Hyper Jump and also collect a lot of sea star to help Octo use a special skill and collect a gold pearl to call Whale to help Octo. Beware with other sea animals. they will block Octo's path and they will make a splat if Octo clash with them. There are 8 kinds of enemy, many kinds of items and more then 27 kinds of achievements in this game.