Nartime

I Got This In The Darkest Shore, survive the initial beach rush without using any machine gun turrets.

Forgive me, sensei Kill Sanjuro Demon without getting hit

Don't burn yourself out Defeated the Keeper

Last Blood At the end of Guns of Stygia, kill all the enemies on the walkways before the explosions do

Come On And ... Slam 10 zombies at once in Outbreak.

Tailor-made Chose a perfectly fitting armor

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

Pack Addict! Upgrade 5 weapons at the Pack A Punch Machine. (Map Pack 3 only)

Chapter 6 Speedrun Complete a Speedrun of Chapter 6 below the target time.

Better than the Best Complete the entire campaign on Authentic Plus difficulty with no manual saves

Skirmish - Chapter XIV Finish the levels from Chapter XIV in Squire difficulty

Deliver This Complete the "Special Delivery" Special Ops mission on Veteran difficulty.

That woman is a demon! Kill Aiko Demon without getting hit

Donut Mess with a Cop Unlock Officer Dick.

Flyswatter Destroy all helicopters in the "Vertigo" Special Ops mission.

Closing the Experiment Log Earn ALL of the platinum Flashback Relics

Alright, Alright Survive until round 10 in Infection.

Robin Revenge Obtain 78 medals on the original Arkham City and Robin Bundle Pack ranked maps (as Robin)

Chapter 5 Speedrun Complete a Speedrun of Chapter 5 below the target time.

Dedicated Collector Collect all Upgrades

Going to the Vet Earn the "Veteran" Challenge Collection.
1/10

Survivor Survive until Round 25 in Outbreak.

A Bridge To Somewhere Extend the bridge in Awakening in Regular or Hardcore difficulty.

Heavy Fire Kill a total of 30 enemies with Browning gun.

Nightwing Revenge Obtain 78 medals on the original Arkham City and Nightwing Bundle Pack ranked maps (as Nightwing)

Coward's Path Running from difficulties does not solve the problem.

Tough luck, chum! Complete Ragnarök - Part I on any difficulty.

Up-Lifting On Monorail Factory, kill all enemies whilst riding the lift

Chapter 7 Speedrun Complete a Speedrun of Chapter 7 below the target time.

The Ultimate Sacrifice In Zetsubou No Shima, retrieve the Skull of Nan Sapwe.

PC Load Letter Use the 3D printer 15 times in a single match in Outbreak.

Pinnacle Complete the "Vertigo" Special Ops mission on Veteran difficulty.

Chapter 8 Speedrun Complete a Speedrun of Chapter 8 below the target time.

Untouchable Complete level with no damage.

Call of the Void Complete Ragnarök - Part II on any difficulty.

Acquire Waffle Weapons! Obtain the Ray Gun, DG-2, and the Monkey Bomb at the same time in a game. (Map Pack 3 only)

Like on the training field Score from a corner

Nahantu Sightseer Explore all of Nahantu.
0/100

Real men don't need a map Just in case you picked up a shielding map

Harvester Of Sorrow Complete the game on Expert

Arhat Finish the game without dying.

To Jugger or to Jugger-Naut Kill all juggernauts after they land on Veteran difficulty in the "Vertigo" Special Ops mission.

...now watch this Drive Complete all of the Advanced Driving Techniques at the DiRT Academy

Flying pan Kill enemy by ricocheting bullet off frying pan

Unbowed, Unbent, Unbroken Complete the game in Ronin mode

Chapter 9 Speedrun Complete a Speedrun of Chapter 9 below the target time.

The Stick of Truth Equip a Legendary Bo (Claws of Awaji)

Psychological warfare Manipulated the Keeper's magic schools

All in Find the Morenia

Deadhead Get 150 zombie headshots in a single game. (Map Pack 2 only)