KrapIV

I came in like a Resogun Accumulate a total Wrecking combo of 1,000 in Demolition mode

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

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

Worth Every Penny Acquire 1000 credits in one month.

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

The third faction Rescue all the Buddies from their respective predicaments

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

Just Like Old Times Dispatch the professor with a shot to the groin.

Falcon and the Snowman Complete Crime and Punishment in Single Player.

Two for One Complete Crime and Punishment in Multiplayer.

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

Don't burn yourself out Defeated the Keeper

Off My Planet Recover the Hyperwave Beacon.

Gravestone Kill 100 Zombies with a vehicle in a single deployment in MWZ

Untouchable Complete SAM'S STORY on Normal or higher difficulty without dying in Batwing encounters.

Two's Company, Four's a Party Complete any Adventure level with 4 players.

Prince of the Screen Reach King of the Screen level 3

Cat's nine lives Gain 9 Extra Lives

Cold Corruptions Catch all aberrations in The Pale Reach.

Tailor-made Chose a perfectly fitting armor

State of the Badass Art Complete all Campaign levels on Ultimate Badass difficulty

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

ARCHIVIST Collect all documents

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

Back in the Field Acquire the Major's keycard in 'Deep Cover' within 90 seconds without being detected

Street Fighter Complete all Dragon's Teeth Assignments

Donut Mess with a Cop Unlock Officer Dick.

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

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

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

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

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

Survivor Survive until Round 25 in Outbreak.

Alright, Alright Survive until round 10 in Infection.

Man No More Build a suit of powered armor.

Don't make me pull the trigger! Survive for 5 minutes in Demolition mode

Going to the Vet Earn the "Veteran" Challenge Collection.
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Under the Radar Select a Starting Location and use an Informant to smuggle an item into Milton-Fitzpatrick.

Supernova Get 3 stars on each of the first 14 Echoes

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

Closing the Experiment Log Earn ALL of the platinum Flashback Relics

You Can Pet The Dog Pet a Hellhound in MWZ

Rotten Bones in the Crypt Defeated Yuan Shu.

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

Collector Loot 10 Superior or Custom items.

Barrel of laughs Kill 20 enemies with barrels

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.

Fully Automatic Hit the same driver three times with a 3x Ricochet Bubble

Tumbler Perform an impressive Barrel Roll