ZergMantis

Island and Chill Complete The Last Resort.

Deft Digger Capture a creature that loves to dig holes in the ground.

Now Who's the Idiot? Finish The Artifact

Weapons Master Increase the Mastery Level of all weapons to the maximum

Dream Drifter Get 10,000 points or more in a Sector Mode Drift Trial.

Full Master Earn all Gold Medals available in Mastery Challenge

Centennial Acquire 100% of the Stars

Deforestation Kill 15 Seeder Turrets in one game in Mayday in Regular or Hardcore difficulty.

The Enduring Vigil Acquired all upgrades for Vigil's Keep ("Dragon Age: Origins - Awakening" expansion)

Hog Wild Knock 2 enemies to their deaths with one use of Roadhog's Whole Hog in Quick or Competitive Play.

Pure Lunacy Complete Dead Space™ 3 Awakened in Pure Survival Mode

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

Master of Masters Reach master rank 200.

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

Decadent Defeat 10 bosses with Ms. Chalice

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

Through the Looking Glass Completed the scrying ritual ("Witch Hunt" downloadable content)

Genpei Demon Completed all missions in "The Tengu's Disciple" on Dream of the Demon. (Does not include Twilight or training missions.)
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Walk in the Park Complete the game on hard using hardcore mode

Witch Hunter Completed "Witch Hunt" ("Witch Hunt" downloadable content)

Perfectionist Complete Suit Only and Silent Assassin Challenges on The Icon, A House Built on Sand or Landslide.

That's the Spirit! Earn all 75 Stamps available in the Wild Spirits Career

The Boy Who Could Run Complete all Parkour Fever Challenges

Survival Skills Complete Dingy Jungle without using a healing potion or losing a life.

Highlord of Aperion Earn all available Trophies for Godfall

Trine 2 Hard Earn all Trophies in Trine 2

Stomp-A-Mole Eject 10 Abas from the ground

Silence is Golden You completed The Brigmore Witches without alerting anyone

Took this thing on a test flight Complete Arcade mode with a custom made ship, at Veteran difficulty level

I am THE expert on weapons Obtained all weapons (excluding weapons obtained via password).

Ash the Leech Gain 10 health chunks using Heroic Gifts

Mine Sweeper Destroy 10 turrets or traps using Winston's Tesla Cannon without dying in Quick or Competitive Play.

Miami Wise Reach Miami Mastery Level 20.

Masochist Lose 20 health chunks from using Heroic Gifts

A Nightmare On Kusi Street Purge the Infestation on the Mainland

Occasio Calva Complete Kairos Gate.

A Big Fan of Lefties Acquire all enemy officers' left arms.

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

Skilled Adversary In IX have a Challenge banner with all 9 medallions

Swimming with the Fishes In Voyage of Despair, kill 50 zombies that are underwater in a single game

A New Protagonist Earned the top ranking in the Friendly Match.

Specter Officer Reach max level with one class in the Cooperative campaign.

Chill Out Defeat 5 mobs with a single Ice Wand attack.

Interrogo Totus Investigated every suspected and reported to Administrator Ludovico.

Pandamonium Complete the Panda Plateau secret mission.

Long Board Ride the Hoverboard for a total of 10,000 meters (electro-mag cables don't count!)

Go for Gold! In Onslaught, acquire seven gold chalices

Together Till the End Be the last man standing

Provocateur Collected and assembled the Battledress of the Provocateur. ("Leliana's Song" downloadable content)

Yeeee HAW! Complete the Adventure Mode on the Hard difficulty.