Call of Duty®: Black Ops

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

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.

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.

Break free from the torture chair.

Play Zork on the terminal.

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 before 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, 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.