x-SegFault-x

Head Trauma Use every type of melee weapon on a zombie

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

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

Classic Leaderboard Champ Ever try the Ranking Challenge at the Game Center? Give it a shot! It's important to always challenge yourself, even when it comes to games.

In Pursuit of Beauty Cleared "Make Cygnus."

The Road to Glory Win every battle on Victory Road.

Alright, Alright Survive until round 10 in Infection.

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

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

Butchered Barachiel Defeat Barachiel in the engine room of the celestial ship.

Legendary Hero Reach Reputation 5 with any Hero.

J-Adventure Maestro Clear all story arcs in J-Adventure mode.

Obtained the Holy Sword! Acquired the Holy Sword.

Gun-kata Use pistols to kill four enemies in a row within five seconds

Ultimate Collector Find all treasure.

A Fighter is Born Complete all lessons in Tutorial.

Don't burn yourself out Defeated the Keeper

Survivor Survive until Round 25 in Outbreak.

Release the Kraken! Killed 20 enemies during the boat exfil in Rip Current

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

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

Hard pressed Complete all levels on Hard

Like Killing Ants Kill 5000 soldiers.

Up-Lifting On Monorail Factory, kill all enemies whilst riding the lift

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

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

You Can Pet The Dog Pet a Hellhound in MWZ

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

Thank You Watch the credits all the way through the end.

Tailor-made Chose a perfectly fitting armor

Blood Rights Kill Satan with Samson

Golden Idol Perform every Single Player Skillshot in the game

In A World Without Gold Witness the end of a legend (complete Sequence 8, Memory 1)

Heavy Ordinance Specialist Destroy 50 Aerial Scorestreaks with Launchers in Multiplayer

To the End of the World Cleared "Make a Star 6."

To Hell And Back Finish the game on Very Hard Mode with any character

Her Saltiness Complete through Chapter 7

AMG Completionist Gain all stars in 'AMG'.

Supernova Get 3 stars on each of the first 14 Echoes

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

Heads Up! Kill 25 Heroes by attacking them from above in PvP.

Decked Out Purchase or unlock all relics, equipment, and upgrades.

Ballard's Crossing Complete mission 5: "Ballard's Crossing"

Fivepeat This is your real power, child? Show me it's not luck by winning 5 Ranked Matches in a row!

Blood Donor Pass 5000 levels in Bloody Palace Mode

Unchallenged Champion Complete all lessons for a character in Combo Challenge.

Joining the Pack A lone wolf is strong, but they're far more fearsome if they have a pack to call their own. So go on—try making some friends!

Challenger of the Rift Completed a floor of the rift labyrinth.

36 Challenges This is proof that you've collected all 36 anomalous orbs. You've poked around in every nook and cranny, you've laughed, you've cried, you've questioned your assumptions... But you made it!

War Veteran Arcade: cleared any route with difficulty set on hard.