At the main menu, press Down, Up, L1, Right, L1, Up, Right, Select, Right, R2, L1, L2. If you entered the code correctly, you will hear the sound of an explosion. Now faces of the development team will appear in the place of the planets in the first four levels. The next four levels will have other objects replacing the planets. Note: This code may not be enabled with the "All ships powered up" or "Wraith ship" code.