Codes cheats for Operation Winback

Operation Winback - Game cheats, tips and tricks for Playstation 1

Trial mode:
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At the "Press Start" screen, quickly press Up, Down(2), Right(3), Left(4),
then hold Triangle and press Start to unlock trial mode. If you entered
the code correctly, you will hear the sound of a gunshot. This mode
allows any level in the game to be played. Note: The code must be entered
before demonstration mode begins.

Sudden death mode:
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At the "Press Start" screen, quickly press L2, R2, L2, R2, Circle,
Triangle, Circle, Triangle, then hold L1 and press Start to unlock
sudden death mode. If you entered the code correctly, you will hear
the sound of a gunshot. This mode allows opponents and your character
to be killed with one hit. Note: The code must be entered before
demonstration mode begins.

Max power mode:
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At the "Press Start" screen, quickly press L1, R2, L2, R2, L2, Triangle,
Circle, Triangle, Circle, then hold L1 and press Start to unlock max
power mode. If you entered the code correctly, you will hear the sound
of a gunshot. This mode allows you to start with all weapons and infinite
ammunition. Note: The code must be entered before demonstration mode begins.

All multi-player characters:
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At the "Press Start" screen, quickly press Up, Down(2), Right(3), Left(4),
then hold Circle and press Start to unlock all the Bosses as well as the
engineers and a few army characters in multi-player mode. If you entered
the code correctly, you will hear the sound of a gunshot. Most of the
Bosses have odd guns and may not be able to back up against walls or roll.
Alternatively, successfully complete the game on the easy and normal
difficulty settings. Note: The code must be entered before demonstration
mode begins.

Max power, sudden death, trial modes:
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Successfully complete the game on the hard difficulty setting to unlock
max power, sudden death, and trial modes.