Dead To Rights 2

Unlimited health:
Press Start during game play, then press X(2), Up(3), Down(4). The sound of a scream to confirm correct code entry.
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Completion bonuses:

Successfully complete the game under the easy difficulty setting to unlock Art Gallery 1 and the Cabal guns.

Successfully complete the game under the normal difficulty setting to unlock the .50 Desert Eagle and the hard difficulty setting.

Successfully complete the game under the hard difficulty setting to unlock the Molotov cocktail and the expert difficulty setting.

Successfully complete the game under the expert difficulty setting to unlock the rocket launcher and Cabal rifle.

Successfully complete instant action mode under the easy difficulty setting to unlock the Cabal SMG and the Art Gallery 2.
Jason Voorhees.

Successfully complete instant action mode under the normal difficulty setting to unlock Extra Adrenaline.

Successfully complete instant action mode under the hard difficulty setting to unlock Extra Health and the expert difficulty setting.
Jason Voorhees.

Successfully complete instant action mode under the expert difficultysetting to unlock Extra Ammo.
Jason Voorhees.