10 Colonel SandersonKill 7 chickens in under 10 seconds in 'The Hornet's Nest'.
10 DesperadoKill 5 enemies in a row using 5 different weapons or attachments in Single Player or Special Ops.
10 Downed but Not OutKill 4 enemies in a row while downed in Special Ops.
10 Drive ByKill 20 enemies in a row while driving a vehicle in Single Player or Special Ops.
10 GhostPlant the C4 in 'Cliffhanger' without alerting or injuring anyone in the blizzard.
10 I'm the Juggernaut…Kill a Juggernaut in Special Ops.
10 Knock-knockKill 4 enemies with 4 shots during a slow-mo breach in Single Player or Special Ops.
10 Leave No Stone UnturnedCollect 45 enemy intel items.
10 Look Ma Two HandsKill 10 enemies in a row using akimbo weapons in Single Player or Special Ops.
10 No Rest For the WaryKnife an enemy without him ever knowing you were there in Single Player or Special Ops.
10 Pit BossRun The Pit in 'S.S.D.D' and finish with a final time under 30 seconds.
10 Some Like it HotKill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.
10 Ten plus foot-mobilesKill at least 10 enemies with one Predator missile in Single Player or Special Ops.
10 The Harder They FallKill 2 rappelling enemies in a row before they land on their feet in Single Player or Special Ops.
10 The Road Less TraveledCollect 22 enemy intel items.
10 Three-someKill at least 3 enemies with a single shot from a grenade launcher in Single Player or Special Ops.
10 Two Birds with One StoneKill 2 enemies with a single bullet in Single Player or Special Ops.
10 Unnecessary RoughnessUse a riot shield to beat down an enemy in Single Player or Special Ops.
15 Back in the SaddleHelp train the local militia.
15 Cold ShoulderInfiltrate the snowy mountain side base.
15 Danger CloseGet hand picked for Shepherd's elite squad.
15 Desperate TimesExecute the plan to help the Americans.
15 Out of the Frying Pan…Complete the mission in the airplane graveyard.
15 Royale with CheeseDefend Burger Town.
15 Soap on a RopeStorm the gulag.
15 Tag 'em and bag 'emFind Rojas in the Favelas.
15 The PawnAssault Makarov's safe house.
15 Whiskey HotelTake back Whiskey Hotel.
20 BlackjackEarn 21 stars in Special Ops.
20 Charlie On Our SixEarn 8 stars in Special Ops.
20 Gold StarEarn 1 star in Special Ops.
20 Honor RollEarn at least 1 star in each Special Op mission.
20 Hotel BravoEarn 4 stars in Special Ops.
20 It Goes to ElevenEarn at least 1 star in 11 different Special Op missions.
20 Operational AssetEarn all 3 stars in at least 5 different Special Op missions.
25 Black DiamondComplete 'Cliffhanger' on Veteran Difficulty.
25 Ends Justify the MeansComplete 'Contingency' on Veteran Difficulty
25 First Day of SchoolComplete 'S.S.D.D' and 'Team Player' on Veteran Difficulty.
25 HomecomingComplete 'Of Their Own Accord', 'Second Sun', and 'Whiskey Hotel' on Veteran Difficulty.
25 Off the GridComplete 'Just Like Old Times' and 'Endgame' on Veteran Difficulty.
25 Prisoner #627Complete 'The Only Easy Day... Was Yesterday' and 'The Gulag' on Veteran Difficulty.
25 Queen takes RookComplete 'Loose Ends' and 'The Enemy of My Enemy' on Veteran Difficulty.
25 Red DawnComplete 'Wolverines!' and 'Exodus' on Veteran Difficulty.
25 TuristasComplete 'Takedown' and 'The Hornet's Nest' on Veteran Difficulty.
30 OperativeEarn all 3 stars in at least 10 different Special Op missions.
30 ProfessionalEarn all 3 stars in at least 15 different Special Op missions.
30 SpecialistEarn 30 stars in Special Ops.
35 For the RecordComplete the Single Player campaign on any difficulty.
90 Star 69Earn 69 stars in Special Ops.
90 The Price of WarComplete the single player campaign on Hardened or Veteran Difficulty.