BattleZone cheats and cheat codes for Sony PSP

Cheat mode:

Always Invisible:
Go to the options screen then go cheat menu. Highlight the Always Invisible 
cheat option, then press L, Left, Right, Square, Triangle, R.
If the code is accepted, you will hear a sound. Press X to exit the cheat menu. 
Press Circle to exit the cheat menu to disable all active codes. 

Max Players:
Go to the options screen then go cheat menu. Highlight the Max Players cheat 
option, then press Right, Left, Right, Left, Right, Left.
If the code is accepted, you will hear a sound. Press X to exit the cheat menu. 
Press Circle to exit the cheat menu to disable all active codes. 

No Auto Heal:
Go to the options screen then go cheat menu. Highlight the No Auto Heal cheat 
option, then press Start, Right, Left, Select, Right, Square.
If the code is accepted, you will hear a sound. Press X to exit the cheat menu. 
Press Circle to exit the cheat menu to disable all active codes. 

Team Special Recharge:
Go to the options screen then go cheat menu. Highlight the Team Special Recharge 
cheat option, then press Right, Right, Left. Square, R, L.
If the code is accepted, you will hear a sound. Press X to exit the cheat menu. 
Press Circle to exit the cheat menu to disable all active codes. 

Unlimited Ammo:
Go to the options screen then go cheat menu. Highlight the Unlimited Ammo cheat 
option, then press Left, R, L, Triangle, Right, Square.
If the code is accepted, you will hear a sound. Press X to exit the cheat menu. 
Press Circle to exit the cheat menu to disable all active codes. 

Pick Up Double Time:
Go to the options screen then go cheat menu. Highlight the Pick Up Double Time 
cheat option, then press Square, Right, Triangle, Right, R, L.
If the code is accepted, you will hear a sound. Press X to exit the cheat menu. 
Press Circle to exit the cheat menu to disable all active codes. 

Mortar Only:
Go to the options screen then go cheat menu. Highlight the Mortar Only cheat 
option, then pPress Triangle, L, Square, Square, Right, Left.
If the code is accepted, you will hear a sound. Press X to exit the cheat menu. 
Press Circle to exit the cheat menu to disable all active codes. 

Insta Gib:
Go to the options screen then go cheat menu. Highlight the Insta Gib cheat 
option, then press L, Square, Triangle, Right, Triangle, R.
If the code is accepted, you will hear a sound. Press X to exit the cheat menu. 
Press Circle to exit the cheat menu to disable all active codes.