checked-no =>Password Extras: Enter the following codes under the Promotional Code menu to enable the listed extras. If necessary, toggle the options on or off via the Extras/Unlockables menu. |NewASE11| Alternate All Seeing Eye in single player |SuitMP13| Secret Service Suit available for multiplayer |Drone4SP| Play as a Drone in single player =>Achievement Unlockables: Completing certain in game objectives will grant awards and unlockable extras. These extras can be toggled on or off in the Extras/Unlockables menu. * One Hit Kills: : Complete all the single player missions to earn the Campaign Award and the Stopping Power extra. * Infinite Ammo: Kill 1000 enemies in the single player game to earn the Annihilator Award and the Fully Stocked extra. * Fiery Death: Find all the hidden data disks and secret messages in the single player game to earn the Secret Master Award and the Fiery Death extra. When this feature is enabled, any killed enemy will be disintegrated, as though they had been hit with a fully charged energy weapon. =>Concept Art: Collecting hidden data disks throughout the game will unlock concept art galleries. Every ten disks collected unlocks a single gallery, and there are six galleries available.