Collect 46 Intel Items.

Finish a Juggernaut with a knife in Special Ops.

Complete the Special Ops mission "Negotiator" on any difficulty.

Complete the "Light 'Em Up" Special Ops mission on any difficulty.

Complete the Special Ops mission "Negotiator" on Veteran difficulty.

Complete the "Black Ice" Special Ops mission on any difficulty.

Complete the "Arctic Recon" Special Ops mission on any difficulty.

Discover Makarov's next move. Complete "Stronghold" on any difficulty.

Kill 5 enemies with a single grenade in Single Player or Special Ops.

Complete the "Arctic Recon" Special Ops mission on Veteran difficulty.

Reach Wave 10 in each mission of Special Ops Survival mode.

Earn 1 star in each mission of Special Ops Mission Mode.

Complete the campaign on Hardened or Veteran difficulty.

Complete "Black Tuesday" and "Hunter Killer" on Veteran difficulty.

Complete "Eye of the Storm", "Blood Brothers", and "Stronghold" on Veteran difficulty.

Kill 30 enemies with the XM25 in "Black Tuesday."

Complete "Scorched Earth", "Down the Rabbit Hole", and "Dust to Dust" on Veteran difficulty.

Kill all juggernauts after they land on Veteran difficulty in the "Vertigo" Special Ops mission.

Destroy the Jamming Tower. Complete "Black Tuesday" on any difficulty.

Reach Wave 15 in each mission of Special Ops Survival mode.

Use only one self revive care package in the "Special Delivery" Special Ops mission.

Infiltrate the village. Complete "Back on the Grid" on any difficulty.

Reach the church. Complete "Eye of the Storm" on any difficulty.

Save the US Vice President. Complete "Goalpost" on any difficulty.