the game, don't press start
Triangle. Then press Left, Down, Left, Right, Down. The
secret menu is now unlocked. To access this menu just go
to options
then you go to the modifycations and put on low gravity.
then play your game.
hint on going higher while flying.
press triangle then circl to go higher.
Up, Down, Left, Right, Circle, Circle and Square. Start
the game, and once you're in a level, press:
Circle, Circle, R1, Square, Up, Circle, Down and Left