WinBack: Covert Operations cheats and cheat codes for Playstation 2

Note: This game is also titled Operation WinBack.

Go to the title screen (where you see the "Press Start") and quickly press
the following buttions. If the codes are accepted, you should hear a gunshot.

Infinite ammo and gun:
Press L1, R2, L2, R2, L2, Triangle, Circle, Triangle, Circle, 
then hold L1 and press Start

All levels (trial mode):
Press Up, Down, Down, Right, Right, Right, Left, Left, Left, Left
then hold Triangle and press Start

One shot kills:
Press L2, R2, L2, R2, Circle, Triangle, Circle, Triangle
then hold L1 and press Start

All Characters In Multi-Player Mode 
Press Up, Down(2), Right(3), Left(4), then
hold Circle and press Start

Unlock all Characters In Multi-Player Mode 
Finish the game in easy and normal mode

Max power, sudden death, trial modes
Finish the game once in hard mode

Extended Camera Capture
Don't forget that with Jean's submachinegun equipped, you can camera capture
an enemy further away, switch to another weapon and maintain the "lock-on".