All codes below are done when game is paused, unless otherwise noted:
Effect Code 999 Heavy Ammo Hold L, press A, B, X, Y, B, A Access Secret Mission without finishing all missions Hold L, press A, B, Y, X, Y, X All Missions Hold L, press A, Y, X, B, Y, X Fixing a Toy Hold L, press A, X, B, Y, A, Y, A, A Heavy Weapon Hold L, press X, A, Y, B, A, X Launch Credits A, A, A, B, B, B (on main menu) Level Select Hold L, press A, B, Y, X, Y, X Max Fuel Hold L, press B, Y, A, X, B, X New Machine Gun Hold L, press B, A, Y, X, A, B
During gameplay, pause the game and press X + Y at the same time. This works in all modes. In four-player mode, the person who paused must enter the code.
Contributed By: NTsui.
If you complete all the missions, a secret extra mission will be unlocked, where you get to race around a garden as a snail.
Contributed By: IHZer0.
Insert the CD into your CD Rom Drive and open it up to see icons, screenshots, logos and artwork.
Contributed By: Dragon.
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