Calmanius

Saving Private Reiner Obliteration - Don't kill any members of the Reiner family

Egg-stra XP! Complete the Egg-Stra XP challenge and then destroy a hive in the Onslaught DLC package.

Sharp Tongue Learn all of the insults from the pirates.

Fertilizer Man Kill 200 zombies in a single game. (Map Pack 2 only)

Full Master Earn all Gold Medals available in Mastery Challenge

Centennial Acquire 100% of the Stars

Olympic Event Master Receive 10 gold medals in Olympic Event.

Untouchable Use only one self revive care package in the "Special Delivery" Special Ops mission.

Big Brawler Get 10 consecutive zombie melee kills before Insta-Kill expires. (Map Pack 2 only)

Write Off Kill 500 Enemies using an Insured Weapon in MWZ

Investor Sell a player and negotiate a sell-on clause with the buying club

Retro-futurism Advanced to the Modern Era before the year 1960

Through the Looking Glass Completed the scrying ritual ("Witch Hunt" downloadable content)

Witch Hunter Completed "Witch Hunt" ("Witch Hunt" downloadable content)

Frequent Flyer BASE jump and travel more than 150 m with your parachute

Full Marks Infiltration - Complete all the Challenges

Horsepower Completionist Gain all stars in 'Horsepower'.

Tips Collector Obtain all tips.

High Roller Complete the "Iron Clad" Special Ops mission on Veteran difficulty.

dr0n3d Complete the "Arctic Recon" Special Ops mission in under 3:30.

RPM Completionist Gain all stars in 'RPM'.

Swimming with the Fishes In Voyage of Despair, kill 50 zombies that are underwater in a single game

Fling Me to the Moon In Der Eisendrache, use every Wundersphere twice.

Elements Completionist Gain all stars in 'Elements'.

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

Now You Must Tell the Tale Viewed all Legends

Skilled Adversary In IX have a Challenge banner with all 9 medallions

Run 'N' Gun Make a three-pointer off of a fast-break in a non-simulated game.

Day 0 Completed "Day 0"

Quick Match (Online) Master Receive 10 gold medals in Quick Match (Online).

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

Escape Artist Escape from the Monkey Island™ Cannibals' hut 5 times.

Provocateur Collected and assembled the Battledress of the Provocateur. ("Leliana's Song" downloadable content)

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

That's the Spirit! Earn all 75 Stamps available in the Wild Spirits Career

Turbocharged Completionist Gain all the stars in 'Turbocharged'.

Tournament Time Create and win a Custom Tournament with more than 16 teams

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)

Medley (Online) Master Win 10 Medleys (Online).

Public Relations Complete a Brand Exposure objective in Career Mode

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

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

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

Lamborghini Icons Completionist Gain all the stars in 'Lamborghini Icons'.

Keeper of the Vigil Saved Vigil's Keep ("Dragon Age: Origins - Awakening" expansion)

Unpopular Mayor Have 15% happiness

Atomic Obliteration - Complete all the Challenges

Moneybags Have 15000 credits in the bank in Outbreak.

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