While at the Press Start screen, hold L1 + L2 + R1 + R2 and press Down, Up, Down, Up, Left, Right, Left, Right.

Unlock All Upgrades

While at the Press Start screen, hold L1 + L2 + R1 + R2 and press Up, Up, Left, Left, Right, Right, Down, Down.

God Mode

While at the Press Start screen, hold L1 + L2 + R1 + R2 and press Up, Right, Down, Left, Up, Left, Down, Right.

Unlimited Combo Meter

While at the Press Start screen, hold L1 + L2 + R1 + R2 and press Left, Right, Up, Down, Right, Left, Down, Up.

Unlock Dark Knight Difficulty

While at the Press Start screen, hold L1 + L2 + R1 + R2 and press Down, Left, Right, Up, Up, Right, Left, Down.

Alternative Costume

Beat the game on Easy Difficulty.

Making of Sin Tzu FMV Sequence

Beat the game.