Powered up weapons:
R1,R2,L2,L1,R1,R2,L2,L1,SELECT,SELECT

Submission:
john fugate [pjnub@email.msn.com]

Revised Powerup Weapons:
The correct code for the powered up weapons is as follows: R1, R2, L2, L1, R1,
R2, L2, L1, Select, Select. I hope that helps.

Submission:
Sideros [Sideros@uconect.net]

Unlimited Ammo:
pause the game and push x, x, o, square,triangle, triangle, left, r2.

Submission: Jim
Stocking [jstockin@frontiernet.net]

God Mode:
Pause the game and press o, l2, r2, down, up, square, x.

Submission: Jim
Stocking [jstockin@frontiernet.net]

Level select:
Pause game play and press Down(9), Up, then exit the current game. Select the
"Time To Kill" option at the bottom of the main menu, press Left or Right to
select a level, then press X to begin game play.

Invunerability:
Pause game play and press L2, R1, L1, R2, Up, Down, Up, Down, Select(2).

><small>Submission: </small><font size="1">don fegan [<font
COLOR="#0000ff"><u>dfegan@brookdale.cc.nj.us</u>]
>Temporary
invincibility:
Pause game play and press R1, L2, L1, L2, R1, L1, R1, L2, L1, L2.

Invisibility:
Pause game play and press L1, R1, L1, R1, L1, R1, L1, R1, L1, R1.

Unlimited ammunition:
Pause game play and press Left, Right, Left, Right, Select, Left, Right, Left,
Right, Select.

All weapons:
Pause game play and press L1, L2, Up, L1, L2, Down, R1, Right, R2, Left.

All items:
Pause game play and press R1(5), L2(5).

All keys:
Pause game play and press Up, Right, Up, Left, Down, Up, Right, Left, Right,
Down.

Extra damage:
Pause game play and press L2, R2, L2, R2, L2, R2, L2, R2, L2, R2.

Big head Duke:
Pause game play and press R1(9), Up.

Small head Duke:
Pause game play and press R1(9), Down.

Big head opponents:
Pause game play and press R1(9), Left.

Small head opponents:
Pause game play and press R1(9), Right.

Game completed:
Hold L2 + R2 and press Square, Triangle, Circle(2), Start during game play.

Rogue Trip FMV sequence:
Press L1 + L2 + R1 + R2 at the GT Interactive logo during the opening sequence.

Adult mode:
Pause game play and press Up(9), Down(7), Triangle, Circle, Square, R1, R2.
Although posted as a valid code on other web sites, it does not function in the
retail version of the game.