We have 1 cheats and tips on GameBoy. If you have any cheats or tips for Waterworld please send them in here. You can also ask your question on our Waterworld Questions & Answers page.
Pause gameplay and press Up(3), Right, Down, Left, A, Up(3), Right, Down, Right, Up, Right, Down(3). Then to skip a stage hold 'Select' and press 'Start' during gameplay.