Destroy all enemies on vehicles during the prison break.

Unlocked: 22 Sep 2011 20:18:57

Demonstrate killer economic sensibilities by taking down 3 enemies with a single bullet.

Unlocked: 21 Sep 2011 12:54:15

Kill 5 enemies with a single frag grenade in the campaign.

Unlocked: 21 Sep 2011 12:28:24

Incinerate 10 enemies with the flamethrower attachment in the POW compound.

Unlocked: 21 Sep 2011 12:06:04

In Dead Ops Arcade, use a Speed Boost to blast through 20 or more enemies at one time.

Unlocked: 20 Sep 2011 20:29:51

Use the explosive bolts to kill 30 enemies in the campaign.

Unlocked: 20 Sep 2011 19:42:00

Destroy both helicopters with one Valkyrie rocket from the deck of the ship.

Unlocked: 20 Sep 2011 19:21:12

Make it through the NOVA 6 gas without dying on Rebirth Island.

Unlocked: 20 Sep 2011 14:38:58

Kill 7 monkeys in under 10 seconds in the Rebirth labs.

Unlocked: 20 Sep 2011 14:26:22

Guide the squad through the Soviet outpost without them getting killed.

Unlocked: 20 Sep 2011 14:03:19

Enter the Soviet relay station undetected.

Unlocked: 20 Sep 2011 13:44:59

Use the Grim Reaper to destroy the MG emplacement.

Unlocked: 20 Sep 2011 13:17:24

Play Zork on the terminal.

Unlocked: 20 Sep 2011 13:00:16

Break free from the torture chair.

Unlocked: 20 Sep 2011 12:59:04

Use only dual wield weapons to escape Kowloon.

Unlocked: 20 Sep 2011 12:55:13

Use no more than 6 TOW guided missiles to destroy the tanks in the defense of Khe Sanh.

Unlocked: 19 Sep 2011 20:14:36

Destroy all slingshot targets in 3 attempts.

Unlocked: 19 Sep 2011 18:53:14

Take down Castro with a headshot.

Unlocked: 19 Sep 2011 18:40:15

Access the terminal and battle the forces of the Cosmic Silverback in Dead Ops Arcade.

Unlocked: 18 Sep 2011 09:39:58

Complete the campaign on any difficulty.

Unlocked: 09 Sep 2011 21:31:14

Crack the code.

Unlocked: 09 Sep 2011 21:02:20

Get to the POW compound in the Hind using only rockets.

Unlocked: 09 Sep 2011 20:09:06

Find the Soviet connection in Laos.

Unlocked: 09 Sep 2011 19:06:22

Destroy all targets and structures while making your way up the river.

Unlocked: 09 Sep 2011 18:58:16

Silently take out 3 VC.

Unlocked: 09 Sep 2011 18:21:49

Escape the Past.

Unlocked: 09 Sep 2011 18:12:03

Escape Kowloon.

Unlocked: 08 Sep 2011 14:25:25

Retrieve the dossier and the defector from Hue City.

Unlocked: 08 Sep 2011 13:59:39

Rack up a body count of 20 NVA using air support in Hue City.

Unlocked: 08 Sep 2011 13:51:13

Kill 10 NVA with Dragon's Breath rounds.

Unlocked: 08 Sep 2011 13:46:25

Break the siege in the battle of Khe Sanh.

Unlocked: 08 Sep 2011 13:33:56

Sabotage the Soviet space program.

Unlocked: 05 Sep 2011 17:10:50

Receive orders from Lancer.

Unlocked: 05 Sep 2011 16:38:13

Escape Vorkuta.

Unlocked: 05 Sep 2011 16:32:27

Ensure your squad escapes safely from Cuba.

Unlocked: 04 Sep 2011 15:48:11

Escape the ship with 2:15 left on the timer in Veteran.

Complete the campaign on Hardened or Veteran difficulty.

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.

Watch a film or clip with a friend.

Finish 5 Wager Matches "in the money."

Reach rank 10 in Combat Training.

Buy every weapon off the walls in a single Zombies game.

Fire a Pack-a-Punched Ballistic Knife at a downed ally to revive them from a distance.

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.

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.

In Moon, gain sweet, sweet, revenge.