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Playstation - In Cold Blood cheats

Display debug menu
Hold L1 and press Triangle, Triangle, X, X at the main menu. 
Begin a new game, then pause the game.

In Cold Blood Game Shark Codes:

Unlimited Ammo   
80021AA8 2400

Unlimited Health 
8004B104 2400
                   
PAL Version:

Disable Timer                 
8008BD48 0000

Unlimited Rounds               
80020F7C 0000
80020F7E 0000

Unlimited MP Ammo              
80020F4C 0000
80020F4E 0000

Unlimited Medicine             
80020FB4 0000
80020FB6 0000
             
Unlimited Health               
800490E0 0000
800490E2 0000

90 First Aid Kits             
80198B74 005A
            
9 Rounds (press L1 + L2)
D01D522E FAFF
30198B70 0009
             
9X Medicine (Press R1 + R2)
D01D522E F5FF
30198B74 0009