Completed Semper Fidelis
Land 5 or more punches on a dizzied opponent in the King of the Ring Boxing mini-game
Gave your first 5-Star performance in Dance Battle mode.
Had a Freestyle photo taken while 2 people are dancing.
Pass an Obedience Trial without a single penalty.
Collect all items in an RC Car contest and earn gold in your own game.
Continue playing to unlock this secret achievement.
Earn 1 star in each mission of Special Ops Mission Mode.
Complete a Special Ops Mission Mode game with the same number of kills as your partner.
Completed the first 12 waves of Beast.
Complete "Persona Non Grata", "Turbulence", and "Back on the Grid" on Veteran difficulty.
Collect 22 Intel Items.
Complete "Black Tuesday" and "Hunter Killer" on Veteran difficulty.
Complete the campaign on any difficulty.
Rescue the Russian President. Complete "Down the Rabbit Hole" on any difficulty.
Find the girl. Complete "Scorched Earth" on any difficulty.
Discover Makarov's next move. Complete "Stronghold" on any difficulty.
Escape the city. Complete "Blood Brothers" on any difficulty.
Reach the church. Complete "Eye of the Storm" on any difficulty.
Escape Paris with Volk. Complete "Iron Lady" on any difficulty.
Track down Volk. Complete "Bag and Drag" on any difficulty.
Assault the shipping company. Complete "Return to Sender" on any difficulty.
Kill 20 enemies with the Chopper Gunner in a single run in "Return to Sender."
Save the US Vice President. Complete "Goalpost" on any difficulty.
Make it to Westminster. Complete "Mind the Gap" on any difficulty.
Kill 5 enemies with a single grenade in Single Player or Special Ops.
Infiltrate the village. Complete "Back on the Grid" on any difficulty.
Defend the Russian President. Complete "Turbulence" on any difficulty.
Escape the mountain safe house. Complete "Persona Non Grata" on any difficulty.
Take back New York Harbor. Complete "Hunter Killer" on any difficulty.
Destroy the Jamming Tower. Complete "Black Tuesday" on any difficulty.
Start the Single Player Campaign on any difficulty.
Melee 5 enemies in a row in Single Player or Special Ops.
Complete a Special Ops Mission Mode game on Hardened or Veteran with no player getting downed.
Earn 1 star in Special Ops Mission Mode.
Perform your first Hack successfully.
Perform your first Takedown. Civilians don't count, so be nice.
Upgrade your first weapon of choice.
Kill 100 enemies.
Reached level 15.
Found and activated the fuel pump.
Discovered the location of Adam Fenix.
Grabbed a Locust Gas Barge to travel to Anvil Gate.
Arrived safely, kinda, at Anvil Gate.
Defended Anvil Gate from the Locust siege.
Drove from Anvil Gate to Mercy.