Achieve the indicated rank to unlock the corresponding items in Multiplayer mode:

1st Lieutenant (214,000 experience points): Headgears 4 (Half-Face Mask, Reinforced Helm, Tactical Goggles)

2nd Lieutenant (172,000 experience points): Camo 3 (Pink, Blue, Woodland, Wasp, Sand, Crimson)

Captain (264,000 experience points): Merc Weapons (MG36, SPAS12, Deagle)

Colonel (535,000 experience points): Headgears 5 (Ballistic Face Mask, Riot Helm, NVGs)

Corporal (14,500 experience points): Camo 1 (Desert, Urban, Russian, Guerrilla, Fall, Desert 2)

Elite (675,000 experience points): Camo 5 (Custom 1, Custom 2, Custom 3)

First Sergeant (109,500 experience points): Headgears 3 (Bonnie Hat, Beret, Tinted Goggles)

Lt. Colonel (425,000 experience points): Camo 4 (Yellow Urban, Red Urban, Tiger, Rust, Urban 2, Grey)

Major (330,000 experience points): Military Armor (Vier Recon Armor, Diamondback Combat Armor, Anaconda Assault Armor)

Master Sergeant (82,500 experience points): Freedom Fighter weapons (AK47, Raging Bull, SV98)

Private 1st Class (3,000 experience points): Headgears 1 (Tactical Helm, Balaclava)

Sergeant (23,500 experience points): Tactical Armor (Raven Recon Armor, Vulture Combat Armor, Falcon Assault Armor)

Sergeant First Class (56,500 experience points): Camo 2 (Flecktarn, Orange, Swedish, War2k5, Alpen, White)

Sergeant Major (139,000 experience points): Black Market Armor (Typhoon Recon Armor, Cyclone Combat Armor, Hurricane Assault Armor)

Specialist (8,400 experience points): Rainbow Weapons (MP7A1, SIG552, USP40)

Staff Sergeant (38,500 experience points): Headgears 2 (3 Hole Balaclava, Baseball Cap, Breathing Mask)