Dolphin Soccer
Go to the Powers of Levitation level and find your way to the room where the clan General is located Swim through the side of the rubbery wall On the floor near one of the orange lights is a football Get it then go to the level selection screen An option for the Dolphin Soccer minigame will appear at the bottom
Gallery Mystery area
Go to the Gallery and head to the Mans Nightmare area. Look around the room to find two wheels If you use your sonar on them they will move Quickly use your Sonar on both If done correctly the large metal circular object in the middle of the room will pop up slowly and reveal a secret passage It leads under the Gallery to a room underneath the Domain of the Foe area. The purpose of this new area is unknown but may have something to do with the ugly thing hanging from the ceiling of the alien area
Unlock All Levels
Do the following you will need a memory cardGo to the PLAYER MENU screen and choose NEW GAMEEnter GYU GYU where can be any three letters you wantPress the CIRCLE button on the controller If the cheat has worked then a plant on the left side of the screen will release a huge stream of bubblesPress the X button to create the save file then return to the main menuIf you go to the LEVEL SELECT screen you will find that ALL of the levels have been unlocked You may now select any level you want
