In Ascension, kill at least 5 zombies with 1 Gersh Device.

In Ascension, kill a space monkey with a fire trap.

In Ascension, escape on all 3 lunar landers.

In Ascension, Pack-a-Punch a weapon by round 8.

In Call of the Dead, send the crew to Paradise in co-op

In Call of the Dead, cut the lights on the Director

In Call of the Dead, kill 10 zombies with one Scavenger shot from over 100 feet away.

In Call of the Dead, send the crew to Paradise in solo or co-op.

In Call of the Dead, make a zombie explode using the V-R11

In Shangri-La, kill a Shrieker zombie while blinded by it.

In Shangri-La, get something from the monkeys.

In Shangri-La, use the 31-79 JGb215 on each type of zombie.

In Shangri-La, acquire the focusing stone.

In Shangri-La, dispose of a Napalm zombie without it harming any players.

In Moon, gain sweet, sweet, revenge.

In Moon, complete Richtofen's grand scheme.

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, become trapped in the Receiving Area and free yourself through resurrection in co-op.

In Moon, hack something.

In Moon, purchase every perk in one game.

Reach rank 10 in combat training.

Finish 5 wager matches "In the Money".

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

Find all the hidden intel.

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

Complete the campaign on Hardened or Veteran difficulty.

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

Use the Grim Reaper to destroy the MG emplacement.

Silently take out 3 VC.

Take down Castro with a headshot.

Break free from the torture chair.

Play Zork on the terminal.

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

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

Kill 10 NVA with Dragon's Breath rounds.

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

Use only dual wield weapons to escape Kowloon.

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

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

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

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

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

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

Destroy all slingshot targets in 3 attempts.

Destroy all enemies on vehicles during the prison break.

Enter the Soviet relay station undetected.

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

Complete "Operation 40," "Vorkuta," and "Executive Order" on Veteran difficulty.

Complete "Numbers," "Project Nova," and "Victor Charlie" on Veteran difficulty.

Complete "SOG" and "The Defector" on Veteran difficulty.

Complete "Crash Site," "WMD," and "Payback" on Veteran difficulty.

Complete "Rebirth" and "Redemption" on Veteran difficulty.

Ensure your squad escapes safely from Cuba.

Sabotage the Soviet space program.

Escape the past.

Retrieve the dossier and the defector from Hue City.

Crack the code.

Break the siege in the battle of Khe Sanh.

Escape Kowloon.

Receive orders from Lancer.

Find the Soviet connection in Laos.

Complete the campaign on any difficulty.

Escape Vorkuta.

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

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

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

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

Kill 6 zombies after getting shot by a Pack-a-Punched Crossbow bolt.

Kill the Pentagon thief before it can steal your load-out.