The_potternator

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

Annihilator of Enemies Defeat 1,000 enemies over the course of the game.

Blood Rights Kill Satan with Samson

Fully Loaded Maximize all upgrades.

Man No More Build a suit of powered armor.

Real Estate Agent Have all possible town NPCs living in your world.

Fan of Fading Crimson A decorative fan awarded to those
who vanquished the crimson-glowing
threat to the village.

Champion Nadine Defeat Nadine, the sky menace.

Donut Mess with a Cop Unlock Officer Dick.

Mentorship Forged a strong bond with Towa.

Compulsive Hoarder Obtain at least 100 hidden treasure items.

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

I like a Challenge Win 12 Throwdowns.

Other World Tournament Master Achieved victory in the Other World Tournament.

In His Footsteps Win 25 Rally races in the DiRT Tour.

Out Of Reach Get an online form of 25 or better.

Getting Familiar Solve 10 puzzles.

Field Guide to Erebonian Wildlife Completely filled the monster guide.

The Ultimate Attack! Unleashed a special attack.

Don't burn yourself out Defeated the Keeper

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

Like the Flash Get rescued on your way to Arland.

Spiritually Attuned Make 100 Psychic Links (Share or Steal)

One-Man Army Owned many parts of the strongest class for each vehicle type.
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Guess Who I Am Complete Companion Mission "You Already Know Me"

Collect 60 Nexomon Capture 60 wild Nexomon.

Win 400 Battles Win 400 battles on your adventure.

Better Safe Than Sorry Unlock all Secondary Weapons

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

Merciless Kill 50 crawling demons in campaign mode

Bookwyrm This is proof that you've become quite familiar with the Library. How to obtain this is kind of a secret, but if you take the time to do a bit of reading now and then, you should be pleasantly surprised.

Shouting Match Witness Cordelia and some other girl arguing.

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.

Comprehensive Showing Post a result online for every Challenge for your Friends to compare.

Head Trauma Use every type of melee weapon on a zombie

Alpha Protocol Complete Operation Desert Spear.

Going to the Vet Earn the "Veteran" Challenge Collection.
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Distinguished Hunter Reach Player level 50
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Raksha Research Initiate Upgraded to Defense Level 3.

High Score In Zombie Rush, obtain a Personal Score of 250,000

Shadow Warrior Complete the game on normal or higher difficulty setting

Head Hunter Defeat Xing on normal or higher difficulty setting

Perfect Putting Successfully perform a putt within par that travels for
over 30ft in a recorded official round

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

The Dark World Reach the story chapter "The Dark World."

Tailor-made Chose a perfectly fitting armor

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

Orb of Delusion Obtain the Orb of Delusion artifact.

Old School Play a 2,3,4 player split screen local game