Unlock/Access Everything:
Enter the following as a password:
URLINGAMBE

Infinite Ammo:
Enter the following as a password:
BADCOPSHOW

Quick Shot:
Enter the following as a password:
ICOSIDODEC

Invincibility:
Enter the following as a password:
MOSTMEDALS

Shots Reflect:
Enter the following as a password:
GOBLUE

Instant Death:
During gameplay quickly enter the following:
R1, R2, L2, R1, R1, R1, R2, L2, L1, L1 and Square
"What did you do that for?" will be heard.....

Movie Mode:
Enter the following as a password:
SPRECHEN

Access William Shakespeare(multi-player mode):
Enter the following as a password:
PAYBACK

Access Bismark(multi-player mode):
Enter the following as a password:
WOOFWOOF

Access Velociraptor Dinosaur(multi-player mode):
Enter the following password:
SSPIELBERG

Access WolfGang(multi-player mode):
Enter the following as a password:
HOODUP

Winston Churchill(multi-player mode):
Enter the following password:
FINESTHOUR

Acccess Werner Von Braun(multi-player mode):
Enter the following as a password:
ROCKETMAN

Level 1 History:
Enter the following as a password:
INVASION

Level 2 History:
Enter the following as a password:
BIGGRETA

Level 3 History:
Enter the following as a password:
DASBOOT

Level 4 History:
Enter the following as a password:
STUKA

Level 5 History:
Enter the following as a password:
KOMET

Level 6 History:
Enter the following as a password:
TWOSIXTWO

Level 7 History:
Enter the following as a password:
MISSLEAGUE

Level 8 History:
Enter the following as a password:
VICTORYDAY