Cheat mode
Select "Options" at the start menu, then go to "Cheat Codes". Alternately, press [Start] during gameplay, then go to "Settings", then select "Cheat Codes". Then, enter one of the following codes to activate the corresponding cheat function:
[Y], [Down], [R], [Down] - Unlock single-player mode
[Up], [L], [X], [L] - Toggle God mode on/off
[Down], [Up], [Down], [Y] - All ammunition
[X], [Right], [L], [Left] - Toggle location stat on/off
[L]x3, [Y] - Win current match
[L]x3, [A] - Lose current match