Knock-knock

Kill 4 enemies with 4 shots during a slow-mo breach in Single Player or Special Ops.

It Goes to Eleven

Earn at least 1 star in 11 different Special Op missions.

For the Record

Complete the Single Player campaign on any difficulty.

Out of the Frying Pan…

Complete the mission in the airplane graveyard.

The Pawn

Assault Makarov's safe house.

Whiskey Hotel

Take back Whiskey Hotel.

Desperate Times

Execute the plan to help the Americans.

Soap on a Rope

Storm the gulag.

Unnecessary Roughness

Use a riot shield to beat down an enemy in Single Player or Special Ops.

Some Like it Hot

Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.

Colonel Sanderson

Kill 7 chickens in under 10 seconds in 'The Hornet's Nest'.

Royale with Cheese

Defend Burger Town.

Ten plus foot-mobiles

Kill at least 10 enemies with one Predator missile in Single Player or Special Ops.

Tag 'em and bag 'em

Find Rojas in the Favelas.

I'm the Juggernaut…

Kill a Juggernaut in Special Ops.

Cold Shoulder

Infiltrate the snowy mountain side base.

Danger Close

Get hand picked for Shepherd's elite squad.

Desperado

Kill 5 enemies in a row using 5 different weapons or attachments in Single Player or Special Ops.

Back in the Saddle

Help train the local militia.

Three-some

Kill at least 3 enemies with a single shot from a grenade launcher in Single Player or Special Ops.

No Rest For the Wary

Knife an enemy without him ever knowing you were there in Single Player or Special Ops.

Charlie On Our Six

Earn 8 stars in Special Ops.

Two Birds with One Stone

Kill 2 enemies with a single bullet in Single Player or Special Ops.

Hotel Bravo

Earn 4 stars in Special Ops.

The Harder They Fall

Kill 2 rappelling enemies in a row before they land on their feet in Single Player or Special Ops.

Gold Star

Earn 1 star in Special Ops.