First Person View Successfully complete the game under the easy or normal difficulty setting. (Thanks to Alex1337@aol.com)

Battle Mode Successfully complete the game under any difficulty setting and save the game. A battle mode option will be unlocked at the main menu. (Thanks to Alex1337@aol.com)

Battle Mode in First Person View Unlock battle mode and collect the sniper rifle that Alfred Ashford drops in disc 2. (Thanks to Alex1337@aol.com)