Calmanius

I Call Shotgun! Drive a vehicle with a Sentry Gun on the back and have it kill 5 enemies

Boar Bather Rode a Razorfire Boar into the Sea of Black Tears and lived to tell the tale.

West Side for Life In Blood of the Dead, reach Round 20 without leaving the West Side of the island

Loot and Pillage Collect $1,000,000

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

For Science! Researched all technologies at least once before the year 2005 in a single game

Undiscovered Truths Find all the intel hidden in Nightfall.

YOU CAN'T RUN 10 wins as a hider in Hide n Seek Mode
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Big Game Trapper Use a hypno trap to turn a Rhino friendly in Mayday in Regular or Hardcore difficulty.

Lights Out Complete the "Light 'Em Up" Special Ops mission on Veteran difficulty.

Tag, You're it! Use the Spotter Scope to tag 60 enemies or items in Open Combat Missions

Let’s do it! Win 30 Races

You know you're REALLY Insane, right? Complete the entire main campaign on Authentic Plus difficulty

Signing Day Announce where your college ball will be played at.

I Know a Shortcut In Voyage of Despair, take every fast travel path in a single game

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

High Score Score 800,000 points in one game -- with Game Settings set to Hardcore.

2-fer Using the EBR-14, kill 2 enemies with 1 bullet 5 times in 'Payload' without sounding the alarm

Chimp on the Barbie In Ascension, kill a space monkey with a fire trap.

Deliver This Complete the "Special Delivery" Special Ops mission on Veteran 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)

Acidic Alchemy In IX, Get a kill with the Acid Trap in each of its craftable locations

Elevator Out of Order Reach the roof in 'Highrise' under 45 seconds

Going Down in History Win the UEFA Champions League Final

Burgertown Escort Service Rescue 1 survivor in Infection.

Friends With Benefits Had relations higher than 90 with all factions in the Modern Era

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

A Time of Wood and Stone Gathered the lost lore of Cadash Thaig ("Witch Hunt" downloadable content)

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

Extreme Manhunt Complete a Seasonal Manhunt mission on Challenge difficulty or above.

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

A Little Pack Here, a Little Punch There In Voyage of Despair, use the Pack-a-Punch at every possible location in a single game

Donut Mess with a Cop Unlock Officer Dick.

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

Determined Don't use any hints to finish the game.

Keeper's Best Friend Prevent a goal with a sliding goal line clearance

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

Mode master Win an online game of every mode in every difficulty at least once.

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

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

Going to the Vet Earn the "Veteran" Challenge Collection.
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High Score In Zombie Rush, obtain a Personal Score of 250,000

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

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

The Most Famous Hedgehog in the World Have your photos taken in Studiopolis Zone

That Party was Ace Ace every Adventure level in The Journey Home.

Loyal Customer Purchased all upgrades in the Motor Forge

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

You Can Pet The Dog Pet a Hellhound in MWZ

Positive cash flow Complete a Financial objective in Career Mode