Level Select:
At the main menu, hold Up/Left + Select & press Square. A level select screen will appear.

Extra Continues:
When your last ship is destroyed & you have no continues left, quickly hold Triangle & Select & press Start for 5 continues.

Speed Up/Slow Down:
Pause the game & hold Triangle + R2 & press Start to speed up the game.
Pause the game & hold Triangle + L2 & press Start to slow down the game.

In The Hunt

Unlimited Continues:
The game still counts down from 10 to 0 after all continues have been used. Press Triangle + Select + Start during the countdown for 5 more continue credits.

Extra Lives:
Press Start on Controller 2 immediately before losing your last life. Extra lives will be available for continued game play.