erdvilla

Velocity Completionist Gain all stars in 'Velocity'.

Survived Mayday Kill the Kraken for the first time in Mayday in Regular or Hardcore difficulty.

Evolution Completionist Gain all stars in 'Evolution'.

Nemesis Meet Skullface

Cat's nine lives Gain 9 Extra Lives

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

Der Meisterbogenschuetze In Der Eisendrache, obtain all of the ancient bows.

Targets Acquired Get past the first gate in Awakening in Regular or Hardcore difficulty.

Gest - Chapter XIII Finish the levels from Chapter XIII in Warrior difficulty

Discriminating Buyer Use exactly one of each care package in the "Special Delivery" Special Ops mission.

Postmaster Complete any outpost by activating all of the generators in Regular or Hardcore difficulty.

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

Torque Completionist Gain all stars in 'Torque'.

Insanity II Complete two games in Mass Effect Legendary Edition on Insanity without changing difficulty

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.

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

Undiscovered Truths Find all the intel hidden in Nightfall.

Burgertown Escort Service Rescue 1 survivor in Infection.

Gotta Catch'em All Collect all secrets.

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

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.

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

Master of the reliquary Gather all the fingers of Frankenstein

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

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

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

Dinner Date Pigsy's Perfect 10: Collect all hidden food and pin-up girls.

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

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

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

World Beater Get an online form of 1.

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

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

Alright, Alright Survive until round 10 in Infection.

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

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

Survivor Survive until Round 25 in Outbreak.

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

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

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

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

Call me Terror-Billy! Beat the game on "Call me Terror-Billy!" difficulty or higher

It's a Trap! Kill at least one zombie with three different traps in a single round. (Map Pack 2 only)

AMG Completionist Gain all stars in 'AMG'.

Views From the Abyss STU: Complete "The Spider's Thread" mode.

Escaped Awakening Escape Awakening for the first time in Regular or Hardcore difficulty.

Reaper Defeated the Harvester ("The Golems of Amgarrak" downloadable content)

Egg-stra Awakening! Complete the Egg-Stra XP challenge and then scan an obelisk in the Invasion DLC package.