Bogey Dead 6

When the game is loading press: L1, L2, R1, R2, X, O, T, S, and L

This will give you 999 secs to finish the game instead of 357.

Access all Fighter Jets:

Go to the plane selection screen and enter this code: L, L, R, D, U, D, R, S

Access all Mission:

On the Mission Select screen type in this code: U, D, D, R, L, D, U, T

NB You should hear a shout if the cheat worked.