99 Credits:
     Press  Up,  Up,  Down,  Down,  Left,  Right, Left, Right, Circle,
Square and Select at the main menu to get 99 credits.

Unlock Levels and Options:
     Complete  the game with an A ranking to get an alternative ending
and  unlock  Training mode level 6. Complete the game with a B ranking
to unlock Training mode level 5, Theatre and Database modes.

30 Lives:
     Use controller 2 and enter Up, Up, Down, Down, L1, R1, L2, R2, L3
and R3 at the main menu. This will unlock 30 lives.