Complete every missions without dying or reloading to a checkpoint at any difficulty.

Kill 5 enemies in a row using 5 different weapons or attachments.

Destroy both BTRs without using Predator Drones in 'Wolverines!'

Plant the C4 in 'Cliffhanger' without alerting or injuring anyone in the blizzard.

The U.S. Army Rangers ain’t no place for clowns.

Complete the single player campaign on any difficulty.

Complete 'Loose Ends' and 'The Enemy of My Enemy' on Veteran difficulty.

Assault Makarov's safehouse.

Complete 'Of Their Own Accord', 'Second Sun', and 'Whiskey Hotel' on Veteran difficulty.

Execute the plan to help the Americans.

Destroy 10 choppers using the Javelin Launcher in 'Of Their Own Accord'.

Storm the gulag.

Kill 4 enemies with 4 shots during a slow-mo breach.