Successfully complete the game with a rank of ''Ensign'' to unlock terrorist weapons in the armory in single player mode.
Pick level
Beat the game with using Lieutenant JG difficulty.
Lieutenant JG Difficulty
Beat the game with using Ensign difficulty.
Lieutenant Difficulty
Beat the game with using Lieutenant JG difficulty.
Lieutenant Commander Difficulty
Beat the game with using Lieutenant difficulty.
Commander Difficulty
Beat the game with using Lieutenant Commander difficulty.
Captain Difficulty
Beat the game with using Commander difficulty.
Rear Admiral Difficulty
Beat the game with using Captain difficulty.
Admiral Difficulty
Beat the game with using Rear Admiral difficulty.
Get multiple Grenade launcher
Finish the game 3 times.
Special Headset Commands
Say these commands into the headset during gameplay to trigger the corresponding team actions:
"Bravo defuse bomb": Put your crosshairs on the bomb and say this to... you guessed it... defuse the bomb.
"Bravo open door": Same idea. Point crosshairs at door and speak.
"Breech, bang, clear": Point your crosshairs into an open room and your team will throw grenades inside.
"Hands up, get down": Sneak up behind an enemy and yell this, and guess what?
"Team low profile": Your crew will go into stealth mode.
