WinBack: Covert Operations

At the Press Start Screen, press:
Unlock All Characters In Versus Mode - UP, DOWN(x2), RIGHT(x3), LEFT(x4), then hold Circle and press Start.

Unlock Trial Mode:
At the Press Start Screen, press UP, DOWN(x2), RIGHT(x3), LEFT(x4), then hold Triangle and press Start.

Unlock Sudden Death Mode:
At the Press Start Screen, press L1, R2, L2, R2, L2, Triangle, Circle, Triangle, Circle, then hold L1 and press Start.

 