Whenever a gray meter appears at the bottom of yourscreen, it indicates that you can charge up the weapon you haveselected in your arsenal. Hold L to charge for as longas desired, and release it to unleash the weapon. However whenthe bar fills completely red, you must release L or theweapon will backfire and not go anywhere. For example, Axel'sEMP special move will have an increasingly larger blast radiusthe longer you hold L, but will be useless if you over-charge.Note: The gray meter will only appear after you've received thesixth "Special Weapons" upgrade by defeating enemies.
The following codes are entered during game play in single player mode. They have no effect in multi-player or online modes. To disable a code, repeat it. Codes will not be disabled until you do re enter them. Therefore, you do not need to re enter them when in story mode.
These must be entered during gameplay.
Enter these codes in-game to perform the corresponding attack.
Freeze Attack - Freezes closest opponent
Rear Attack - Fires selected weapon backwards
Flak Attack - Intercepts and destroys any incoming missile and will knock back enemies that are in close player proximity
Napalm Attack - Adds a napalm projectile to any weapon fired (does not work with specials)
In game