Dark-Ratonilson

All of the Above You managed to save Dr. Kavanagh and all the prisoners, too.

Gone Dark Complete all Covert contracts

Has science gone too far? Get a kill using the HT-95 Levkov, XD-1 Accipiter, Rorsch Mk-1, and Schipunov 42

Bring it on Play a single player match with the Competitive Master Switch turned On

Heart Attack Kill a Boss using the Hot Dog cart in the Hotel Elysium map

Overkill Obliteration - Kill all enemy snipers with explosives

Write Off Kill 500 Enemies using an Insured Weapon in MWZ

Veteran Achieve level 30 in Anarchy mode

That Old Adage Apparently, your CASIE augmentation doesn't work on everyone...

Required Reading Collect all physical Codex pages in a single save slot (Ancient Gods 1)

Shooting Star Get at least 1 star on each Echo

Anarchy Master Achieve a score of at least 40,000 as a team in Anarchy mode

Never Forget You revisited the site where Belltower discovered and captured you.

Perfect Execution Complete all Precision contracts

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

Shellshocker Defeat the Chimera (Hard)

Intuition and Execution Win a penalty shoot-out without missing

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

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

Sharp Instincts Defeat an Impaler (Hard)

Crystal Spelunker Complete World Spear (Ancient Gods 2)

Dedicated To The Cause Complete all Covert, Demolition and Precision contracts

Lucky Charm Bracelet Acquire all Support Runes in a single save slot (Ancient Gods 1)

Paranormal Progress In Mob of the Dead, open a door without spending points.

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

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

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

I'm on fire Set your enemies aflame 50 times

Guerrilla Tactics Execute at least 25 different Skillshots in one Echo round

Millionaire Earn 1,000,000 Vektan dollars

Feline Revenge Obtain all 72 medals on the original Arkham City ranked maps (as Catwoman)

Cross the Threshold Complete Reclaimed Earth (Ancient Gods 2)

Tougher Than Nails Acquire all Sentinel Hammer upgrades (Ancient Gods 2)

Full Marks Infiltration - Complete all the Challenges

Weekly Warrior Survive a Weekly Mutation

Siege the Day Complete Immora (Ancient Gods 2)

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

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

Hypersonic Complete all Secret Encounters in a single save slot (Ancient Gods 1)

Chrysalid Poison your enemies 50 times

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

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

Secret Service Kill all the guards in Saint Pierre before getting to the church without being detected

High Noon Kill at least 3 enemies between 12.00-12.05 local time.

Little Bighorn Win at least one game in competitive mode.

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.

Rest Your Weary Fists Kill the Dark Lord (Ancient Gods 2)

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

Moneybags Have 15000 credits in the bank in Outbreak.