Cheat Mode
Enter one of the following codes at the title screen when "Press Start Button" appears. The screen will flash to confirm correct code entry. Note: Enabling a cheat will disable saves. Also, the Combat Skills Training levels will not be available, unless its code is used.
Invincibility
Press Right, A, R, Y, Up, L, A, Left, L, B, A, R.
Full Beam
Press Left, B, Y, Right, L, X, Left, R(2), Y.
Full Homing
Press Right, Up, X, L, Left(2), L, Left, B, Left.
Alien data
Press X, L, B, L, Down, Y, R, Right, A, Left, R, Y.
Agent data
Press Up, Down, B, R, Left, L, Right, A, R, X, Up, R.
Faster speed
If you want to be faster, use Agent J.
Defeating Bosses
When fighting the Bosses, it is just as easy to use your pistols than any other gun.
Boss mode
Press R, Y, Down(2), A, L, Left, X, Right, Y, R, L.
Do Not Drop Weapon Levels
Press Down, Up, A, X, Down, Up, A, X, L(2), X, B.
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