Various Cheats and Hints
Invincibility
Pause gameplay and press Square Circle L1 R1
All Weapons with Full Ammo
Pause gameplay and press Square Circle R1 L1
Tin Foil Uniform
Enter the code TNMN
Level Passwords
2 Bridge FLLNGDWN
3 Fridge GTMLK
4 Freezer CHLLBB
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 RDGLR
16 Pool Table FSTNLS
17 Pinball Table WHSWZRD