JJCaps

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

Lone Wolf (Online) Was the only surviving player in the team.

Go for Gold! In Onslaught, acquire seven gold chalices

Day 0 Completed "Day 0"

Business of Makin' Sausage Complete Chapter 6

Sniper Master Deliver 100 headshots.

Out of the Bush Complete "Out of the Bush" challenge

Headshot Bonanza Complete "Headshot Bonanza" challenge

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

Bug Spray Earn the Distinguished Flying Service Cross

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

To Me, To You Passed the Jewel 100 times.

Deal With The Deceiver Strike a deal.

Son of Liberty Earn 20 individual citations.

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

Heavy Medals Earn All Medals

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

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

Back To School Kill all enemy snipers in Sniper Alley without being hit ("Ghosts of Sarajevo")

Weapon of Choice Kill 100 enemies using the dual wasps or the bow.

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

Take It With You Internalise the voice of doubt.

TOMB RAIDER Save all Red Putties and get to the exit of Level 1.1: Tomb Of King Phut in 1:10 or less.

Kaboom Kill at least 3 enemies with one explosion

Pass the Buck Collect one hundred pennies!

Bubble Boy Block 1000 shots with Shield power in a single player campaign.

Graduation Complete Zombie Academy.

Moneybags Have 15000 credits in the bank in Outbreak.

Dr. Shelly to the Rescue! As Shelly, used your Heal on teammates 100 times.

I’ve seen some things… In Kino Der Toten, visit every location the teleporter can take you to.

Poly Cruncher Complete "Poly Cruncher" challenge

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

Carnivore no More Stun all carnivorous plants in the Savanna

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

Around and Around We Go Perform every level interaction once

Act II Complete Act II.

Mayhem Maker Cause mayhem during the Prelude.

Blessed Messenger Solve every mystery in every land, that you might aid those who walk in your footsteps.

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

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

Great Success Gain S+ on all U.S.S. missions on Veteran or Professional difficulty

The Cleaner Escape as a traitor with 50% of any level’s total loot in Arcade Mode or Multiplayer Ranked Match.

Strength in Numbers Win 10 Matches in Team Play

Poo! Enter POO as your initials!

Points Taken Win 10 Timed Matches

All Star Get 100 Stars in S.T.A.R. Lab Mode

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

Big Air Complete a jump with an air time of 3 seconds in a race in Single Player mode.

Endgame Finish the single player campaign on any difficulty.

Whoo-paah! Complete "Whoo-paah!" challenge