Invincibility:

Pause the game and press Square, Circle, R1, L1.

All Weapons with Full Ammunition:

Pause game and press Square, Circle, R1, L1, enter code again to refill

ammunition.

Tin-Foil Uniform:

Enter “TNMN” NOTE:this is not armor although there is a resemblance.

All Levels:

Hold L1 + R1 + S, then hit up, Down, Left, Right. Note* enter this cheat

at the main menu QUICKLY!

Level Passwords:

Level               Name               Password   
2                   Bridge             fllngdwn       
3                   Fridge             gtmlk   
4                   Freezer            chllb
5                   Inside Wall        clsngn
6                   Graveyard          dgths 
7                   Castle             frnknstn
8                   Tan base           bdbz
9                   Revenge            lbbck
10                  Desk               dskjb
11                  Bed                gtslp
12                  Blue town          smllvll   
13                  Cashier            chrgt
14                  Train              ntbrt
15                  Rockets            ndglr 
16                  Pool Table         fstnls  
17                  Pinball table      whswzrd

GameShark Codes

All Weapons, Items, Movies, & Infinite Ammo
Includes Secret Weapons and Items 
50002e020000
8013672affff
  
Super Sarge-Infinte Health and Armor 
d013672affff
8013679000ff  
     

Thanks to Revolution readers Vinny, ross and Green Skin!