Crack the code.
Complete the campaign on any difficulty.
Complete the campaign on Hardened or Veteran difficulty.
Finish 5 Wager Matches "in the money."
Reach rank 10 in Combat Training.
Kill 7 monkeys in under 10 seconds in the Rebirth labs.
Use the Grim Reaper to destroy the MG emplacement.
Silently take out 3 VC.
Destroy all targets and structures while making your way up the river.
Find the Soviet connection in Laos.
Rack up a body count of 20 NVA using air support in Hue City.
Retrieve the dossier and the defector from Hue City.
Escape Kowloon.
Escape the Past.
Escape Vorkuta.
Receive orders from Lancer.
Sabotage the Soviet space program.
Break the siege in the battle of Khe Sanh.
Take down Castro with a headshot.
Ensure your squad escapes safely from Cuba.
Kill 10 NVA with Dragon's Breath rounds.
Use only dual wield weapons to escape Kowloon.
Guide the squad through the Soviet outpost without them getting killed.
Enter the Soviet relay station undetected.
Get to the POW compound in the Hind using only rockets.
Incinerate 10 enemies with the flamethrower attachment in the POW compound.
Escape the ship with 2:15 left on the timer in Veteran.
Make it through the NOVA 6 gas without dying on Rebirth Island.
Destroy both helicopters with one Valkyrie rocket from the deck of the ship.
Destroy all enemies on vehicles during the prison break.
Kill 5 enemies with a single frag grenade in the campaign.
Demonstrate killer economic sensibilities by taking down 3 enemies with a single bullet.
Use the explosive bolts to kill 30 enemies in the campaign.
Complete "Operation 40," "Vorkuta," and "Executive Order" on Veteran difficulty.
Complete "SOG" and "The Defector" on Veteran difficulty.
Complete "Numbers," "Project Nova," and "Victor Charlie" on Veteran difficulty.
Complete "Crash Site," "WMD," and "Payback" on Veteran difficulty.
Complete "Rebirth" and "Redemption" on Veteran difficulty.
Find all the hidden intel.
Destroy all slingshot targets in 3 attempts.
Watch a film or clip with a friend.
Buy every weapon off the walls in a single Zombies game.
Kill the Pentagon thief before it can steal your load-out.
Shoot at or be shot by an ally with a Pack-a-Punch crossbow and kill six zombies with the explosion.
Access the terminal and battle the forces of the Cosmic Silverback in Dead Ops Arcade.
In Dead Ops Arcade, use a Speed Boost to blast through 20 or more enemies at one time.
In Ascension, escape on all 3 lunar landers.
In Ascension, kill at least 5 zombies with 1 Gersh Device.
In Ascension, Pack-a-Punch a weapon by round 8.
In Ascension, kill a space monkey with a fire trap.
In Call of the Dead, send the crew to Paradise in solo or co-op.
In Call of the Dead, send the crew to Paradise in co-op.
In Call of the Dead, make a zombie explode using the V-R11.
In Call of the Dead, kill 10 zombies with one Scavenger shot from over 100 feet away.
In Call of the Dead, cut the lights on the Director.
In Shangri-La, acquire the focusing stone.
In Shangri-La, kill a Shrieker zombie while blinded by it.
In Shangri-La, dispose of a Napalm zombie without it harming any players.
In Shangri-La, get something from the monkeys.
In Shangri-La, use the 31-79 JGb215 on each type of zombie.
In Moon, complete Richtofen's grand scheme.
In Moon, hack something.
In Moon, become trapped in the Receiving Area and free yourself through resurrection in co-op.
In Moon, purchase every perk in one game.
In Moon, acquire 3 pack-a-punched weapons at the same time.
In Moon, prevent each excavator from breaching the base in one game.
Use no more than 6 TOW guided missiles to destroy the tanks in the defense of Khe Sanh.
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