This trick will lock the camera behind your ship. To activate, pause the game and press Circle, Square, Triangle, Triangle, Circle, Square, Triangle, Start.

Pause the game and press Select, Circle, Right, Up, Up, L1, L1, X.

This code will add some variety to the game by moving the enemies and obstacles in each tube. To enter it, pause the game and press R1, R1, Up, Circle, Square, Triangle, L2, X. The change will take effect on the next level.

The following passwords are for the NORMAL level of difficulty.

Level  Password
1      S,X,X,X,S,S,T,X,S
2      T,S,X,X,S,S,T,X,X
3      O,S,X,X,X,S,T,X,X
4      T,X,S,X,X,X,O,X,S
5      O,X,S,X,X,S,T,X,O
6      T,S,S,X,X,X,S,X,T
7      T,X,X,S,S,T,T,X,X
8      S,X,X,S,S,T,X,T,S

For an approximation of a cockpit view, pause the game and press Triangle, Circle, Square, Square, Triangle, Triangle, Select, Start.

For a change of pace, pause the game and press Circle, Select, Left, Square, Square, Down, Up, X.

To start the game with the ultimate weapon (a Lightning Bolt Special with unlimited use), enter the password "X,S,T,O,S,O,X,T".

Pause the game and press Circle, Square, Circle, Square, Triangle, Triangle, Triangle, X.