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Pea Shooter Kill a Rhino with only a pistol in Nightfall in Regular or Hardcore difficulty.

Seek & Destroy Get 2 Kills with a single remote controlled Throwing Knife from at least 50 meters away in Campaign

Go for Gold! In Onslaught, acquire seven gold chalices

That's a Wrap! Unlock all 13 Movie Challenges

Perk-a-Holic Have all four perks simultaneously active in a game of Nazi Zombies. (Map Pack 2 only)

Pursuit of Knowledge Filled 80% of the Datalog.

Have You Tried Turning it Off and On? Use a Shock Stick to disable an enemy Sentry Gun

Think She'll Notice? Destroy all of the cars in the mansion garage in 'Oligarch'

Pack-A-Punch-ectomy In Revelations, recover the Pack-a-Punch machine from its abductor.

Moneybags Have 15000 credits in the bank in Outbreak.

Skewer the Winged Beast In Under the Radar, have the SAM target itself and the helicopter

40 Knives! Kill 40 zombies with the bowie knife. (Map Pack 3 only)

Perkaholics Anonymous! Survive until round 20 without buying a single Perk. (Map Pack 3 only)

Deer in the Headlights Stab five stunned enemies in a row in the "Light 'Em Up" Special Ops mission.

Hitchhiker Defuse the bomb on the truck in 'Gora Dam' while it is in motion

Snow Angel Execute the forest sniper in 'Frozen Tundra' with a takedown

Burgle Burgle Burgle Steal 10 kills from a teammate in Outbreak.

Helo Hat Trick Destroy each objective helicopter in 'Reactor' with a different Armament

Ramped Up! Complete a Getaway Activity in a Car Transporter

Frequent Flyer! Use the teleporter 8 times. (Map Pack 3 only)

David vs Goliath In Checkmate, destroy the APC using an RC-XD

Soul Survivor Reach round 15 in Nazi Zombies without getting revived. (Map Pack 2 only)

In the Belly of the Beast In Zetsubou No Shima, survive getting consumed.

Speed Slayer Kill the Breeder in less than 5 minutes in Nightfall in Regular or Hardcore difficulty.

Rapid Reflexes Get 5 Headshot Kills during a single use of the Adrenaline Stim in Campaign

Throttled Survival Kill the Breeder while using a Relic in Nightfall in Regular or Hardcore difficulty.

Hey, Catch! Throw and hit an enemy directly with a Flammable Cannister then blow them up with it

Sleuth Unlock all intel (videos and audio files)

Shot Blocked Shoot the gun out of the air in 'Flashpoint' before a terrorist catches it

Sub Zero Complete the "Arctic Recon" Special Ops mission on Veteran difficulty.

Survived Mayday Kill the Kraken for the first time in Mayday in Regular or Hardcore difficulty.

Taking Flight In Gorod Krovi, ride a Dragon.

Targets Acquired Get past the first gate in Awakening in Regular or Hardcore difficulty.

I Call Shotgun! Drive a vehicle with a Sentry Gun on the back and have it kill 5 enemies

Gong like the Wind In IX, defeat all 8 challengers summoned by a gong within 5 minutes

Der Meisterbogenschuetze In Der Eisendrache, obtain all of the ancient bows.

Helpful Stranger Revive a player from a different Squad in MWZ

Stowaway In Voyage of Despair, spend 5 consecutive rounds in the Cargo Hold

Bulldozed In Ground Control, crush 25 enemies while driving the tank

2-fer Using the EBR-14, kill 2 enemies with 1 bullet 5 times in 'Payload' without sounding the alarm

Chimp on the Barbie In Ascension, kill a space monkey with a fire trap.

Undiscovered Truths Find all the intel hidden in Nightfall.

Tag, You're it! Use the Spotter Scope to tag 60 enemies or items in Open Combat Missions

West Side for Life In Blood of the Dead, reach Round 20 without leaving the West Side of the island

Discriminating Buyer Use exactly one of each care package in the "Special Delivery" Special Ops mission.

Postmaster Complete any outpost by activating all of the generators in Regular or Hardcore difficulty.

Elevator Out of Order Reach the roof in 'Highrise' under 45 seconds

Big Game Trapper Use a hypno trap to turn a Rhino friendly in Mayday in Regular or Hardcore difficulty.

Burgertown Escort Service Rescue 1 survivor in Infection.

I Know a Shortcut In Voyage of Despair, take every fast travel path in a single game