Bradygames Secret Codes BradyGames" "Secret Codes 2008" includes the following: The latest in the collection of the most sought after codes and cheats for the hottest games released for the next-gen systems. Some of the titles covered in this exhaustive pocket guide are: "Tiger Woods PGA Tour 08", "Tony Hawk"s Proving Ground", "Transformers: The Game", "The Darkness", "MySims", "The Orange Box", "Stuntman: Ignition" and more. Tips for activating and finding invulnerability, invisibility, unlimited ammo, debug modes and more. Plus, how to unlock characters, levels, game modes, vehicles, endings, and videos. Secret codes give gamers the edge needed to get the most out their gaming experience, as well as increase replay value.