Found by dootdoo/Hack0r
When at the Start screen go to "Options" and then go to "Cheat Codes" or when in a game press "Start", then go to "Settings", and then go to "Cheat Codes". Input the following codes to unlock.
Effect Code All Ammo Given Down, Up, Down, Y God Mode Toggled Up, L-Trigger, X, L-Trigger Location Stat Toggled X, Right, L-Trigger, Left Lose Current Match L-Trigger, L-Trigger, L-Trigger, A Unlocked Single Player Y, Down, R-Trigger, Down Win Current Match L-Trigger, L-Trigger, L-Trigger, Y
Contributed By: Hack0r.
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