Flameline

Sub Zero Complete the "Arctic Recon" Special Ops mission on Veteran difficulty.

Let's Play Complete the first Horde Mode Mission

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.

Iron Mode Complete the game in Iron Mode.

Lights Out Complete the "Light 'Em Up" Special Ops mission on Veteran difficulty.

Burgertown Escort Service Rescue 1 survivor in Infection.

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

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

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

Honor-Bound Recover 22 COG tags (on any difficulty)
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Skirmish - Chapter XIV Finish the levels from Chapter XIV in Squire difficulty

Alright, Alright Survive until round 10 in Infection.

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.

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

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

Survivor Survive until Round 25 in Outbreak.

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

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

1-Upsmanship Complete Extra Life Mode with 5 Extra Lives in your Inventory (Ancient Gods 1)

Dom-curious Complete 1 co-op chapter in co-op (on any difficulty)

Campaign Nightwing Obtain 114 medals on the original Arkham City and Nightwing Bundle Pack campaigns (as Nightwing)

Campaign Wonder Obtain 114 medals on the original Arkham City and Robin Bundle Pack campaigns (as Robin)

Hard Headed Collect 1000 helmets

Catalog Conqueror STU: Complete all nekomata jobs in "The Spider's Thread" mode.

Reinvent the Weapon Wheel Re-collect all of the weapons on the Weapon Wheel

Gimme Some Skin Play one Versus Match with a Custom Weapon Skin

You Shall Pass Acquire a Reward from the Bridge Warden

Live Die Reload Complete Extra Life Mode with 5 Extra Lives in your Inventory (Ancient Gods 2)

All in Find the Morenia

Crusade - Chapter XIII Finish the levels from Chapter XIII in Knight difficulty

I am death incarnate! Beat the game on "I am death incarnate!" difficulty or higher

Diligence as a goal Get 3 stamps in any arena challenge.

Game Over Beat Horde Mode

Field Hospital Get 500 revives (Ranked Match)

Bathe With A Giant Nude Alien Take a bath with Toxxo.

We Came, We Chainsaw, We Conquered Kill a Bloat with Knifey's new upgrade.

Ensign Reach round 10 in Carrier.

Epic victory - Chapter XIII Finish the levels from Chapter XIII in Paladin difficulty

G-reader Read one full comic

Fashion! Purchase 15 Armor Skins

Mux Ado About Shipping Defeat Mux.

Give Away All Your Money Grant the dying wish of a sick slug.

Survivor Defeat 5 Bosses in a row in Survival Mode

All out Escape the Morenia

A Foul Feast Deliver Leftovers to a Reluctant Recipient

Meet Frasier from Frasier Visit Cheeks and hang out until closing time.