Call of Duty: Black Ops (Windows)

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

Sabotage the Soviet space program.

Complete the campaign on Hardened or Veteran difficulty.

Escape Kowloon.

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

Crack the code.

Find all the hidden intel.

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

Watch a film or clip with a friend.

Take down Castro with a headshot.

Use only dual wield weapons to escape Kowloon.

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

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

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

Play Zork on the terminal.

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

Escape Vorkuta.

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

Use the Grim Reaper to destroy the MG emplacement.

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

Finish 5 Wager Matches "in the money."

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

Break free from the torture chair.

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

Break the siege in the battle of Khe Sanh.

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

Enter the Soviet relay station undetected.

Find the Soviet connection in Laos.

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

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

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

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

Reach rank 10 in Combat Training.

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

Ensure your squad escapes safely from Cuba.

Shoot at or be shot by an ally with a Pack-a-Punch crossbow and kill six zombies with the explosion.

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

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

Destroy all slingshot targets in 3 attempts.

Retrieve the dossier and the defector from Hue City.

Escape the Past.

Complete the campaign on any difficulty.

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

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 the explosive bolts to kill 30 enemies in the campaign.

Silently take out 3 VC.

Destroy all enemies on vehicles during the prison break.

Receive orders from Lancer.

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

In Moon, gain sweet, sweet, revenge.

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

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

In Moon, complete Richtofen's grand scheme.

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

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 Shangri-La, get something from the monkeys.

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.

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

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

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 Ascension, escape on all 3 lunar landers.

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

In Shangri-La, acquire the focusing stone.

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