BladeShredder

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

Head Trauma Use every type of melee weapon on a zombie

Going to the Vet Earn the "Veteran" Challenge Collection.
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Untouchable Emissary Reach the end of the game without a game over.

Shadow Warrior Complete the game on normal or higher difficulty setting

Head Hunter Defeat Xing on normal or higher difficulty setting

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

Chapter 5 Speedrun Complete a Speedrun of Chapter 5 below the target time.

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

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

Think fast! Finish trial #8 with at least 52 seconds left on the clock.

Chapter 7 Speedrun Complete a Speedrun of Chapter 7 below the target time.

Chapter 8 Speedrun Complete a Speedrun of Chapter 8 below the target time.

Golden Idol Perform every Single Player Skillshot in the game

Like a glove… Finish trial #6 with 3 hearts left without picking up a spell.

Toasted Burn 100 enemies to death in campaign mode

Street Fighter Complete all Dragon's Teeth Assignments

Troglodyte Kill all scientists with head shots in ‘Self Destructive’ Operation.

Heavy Ordinance Specialist Destroy 50 Aerial Scorestreaks with Launchers in Multiplayer

Supernova Get 3 stars on each of the first 14 Echoes

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

Act 2 Cleaner Complete all Act 2 maps on Nightmare difficulty.

Midland Overseer 【RAID MODE】Clear all stages on Trench with an S rank.

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

FUBAR Complete FUBAR.

Slow and Steady Win an action race without using any boost, or using a boost pad

Frag Out! Kill 20 enemies using grenades. (Single Player)

Save some room Finish trial #20 one unit below the zapper.

Geomtastic Earn a multiplier of at least 1000 on any level in Adventure Mode

Untouchable Complete SAM'S STORY on Normal or higher difficulty without dying in Batwing encounters.

Multiplicitous In Zombie Rush, get your score multiplier up to 100

Tough luck, chum! Complete Ragnarök - Part I on any difficulty.

AMG Completionist Gain all stars in 'AMG'.

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

Wander and the Forbidden Clear the game in hard difficulty

Aw, Shucks Pick up the Princess 200 times

Chapter 9 Speedrun Complete a Speedrun of Chapter 9 below the target time.

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

Act 4 Cleaner Complete Act 4 on Nightmare difficulty

Call of the Void Complete Ragnarök - Part II on any difficulty.

Test Subjects Use sheep as test subjects in 6 levels

Bloody Lust Kill Isaac with Samson

Lightning Emissary Reach the end of the game in 5 hours or less.

Burning times Complete a level on Master difficulty without using bombs, overdrive or boost with a custom ship

HUMINT Complete HUMINT.

A Blank Card Kill Isaac with Eden

High Wire Act Kill 10 enemies while using a zipline

Good Father Collect all robot pieces

Endangered Lizards Killed all shining lizards