Call of duty 3 cheats and cheat codes for Playstation 3

Unlock all chapters and bonus content:
To get access to all chapters and all bonuses hold Select, go to the chapter
selection screeen and push Right, Right, Left, Left, Square, Square on
your Ps3 controller.

Unlock bonus interviews:
Finish the game to once to view interviews with veterans Gordon Boulton,
Sgt. Stan Markut and Sgt. John D. "Bud" Hawk.