This is a historical page that documents Weapons, Gear, Modes, Maps, Sales, or Events that are no longer available, and as such, information should only be added.
For reasons that have not been disclosed, this system has been permanently removed from the game.
There were three Clearance levels. Each level unlocked new features.
Unlocked at Trainee, any map or game modes included are available for all players.
- Maps: Cabin Fever, Cold Seed, Death Room, Desert Thunder, Black Lung, Junk Flea, Overdose, Training Grounds, and Snow Valley.
- Game Modes: Elimination, Fireteam, One Man Army, and Quarantine.
Unlocked at Corporal, any map or game modes included are available for all players above Corporal.
- Maps: CL1 maps, Brushwood, Grave Digger, Gray Hammer, Power Surge, Pump Jack, Rattlesnake, Roadkill, Sand Hog, Showdown, Two Towers, Warhead, ShortFuse, Dark Forest, Vertigo, Kill Creek, Sector 25,Dredge and Ghost Town.
- Game Modes: CL1 game modes, Capture the Flag, Elimination Pro, Last Man Standing, Search and Destroy, Spy Hunt, Bombing Run and Seize and Secure.
Unlocked at Sergeant First Class I, any map or game modes included are available for all players above Sergeant First Class I.
- Maps: CL1 maps and CL2 maps
- Game Modes: CL1 game modes and CL2 game modes.