Deadlocking

Vacuum Cleaner Decompress 20 Necromorphs without getting sucked out yourself

The Guns of Anchorage Completed "The Guns of Anchorage"

Completist - Destroy everything on the MAWLR Destroyed every destructible weapon on the MAWLR while on foot and on the Intruder

Perked Up Fully Rank Up one Perk

The Caped Crusader Win with Batman using every special move and his Supermove

Knowledge is power Complete all of Plastic's missions

He Must have a Reason Stand up for someone even though you haven't met him

Infiltration Clear the "Classified Intel Acquisition" Side Op while riding in the back of a truck

Retro Now Play a Holotape Game

Equal Measures Receive an Alignment Reading from Meidra

Showing Who's Boss! Hit 50 Hoard minions in Story mode with any weapon

Ran out of fingers Find 11 hidden bags

Hot Flashes Catch a Ghûl Matron on fire during the Lord of the Hunt campaign.

Campaign Bronze Obtain 36 medals on the original Arkham City campaigns (as Batman)

Battering Ram Shield Bash 5 different thugs

Not a Scratch on Her! I'm not taking any chances, this bus can't take much more damage. (Ch. 12)

Ack Ack Protect your tanks by shooting down all planes in Operation Cobra.

Novice Beat the game on Novice difficulty or higher

Not kidding! Reach the podium in a total of 30 Quick Races (not unlockable in Split Screen mode).

Great Outdoors Endurance Challenge: Survive for 10 days

You Monster Destroy a Farmer drone.

Level 10 Earn 10 battle pass tiers.

Ancient Blood Defeat Felicity D'Abano

Full House Kill 5 enemies with each type of Agony Bolt.

Victory - Complete Campaign on Elite Completed every mission on Elite difficulty

Running Errands Complete all side missions

Frequent Flyer Zip Kick 5 different thugs

Vacation Endurance Challenge: Escape the forest after surviving for 7 days

Take part in an Online Marked Man Awarded for taking part in an Online Marked Man.

Back to School Play any Popit Puzzle whilst wearing a Newton costume

Not So Special Now Defeat 100 Special Enemies

Best of the Bunch Earn the MVP award in any Online Tournament match

Dressed for Success Find all upgrades for Artyom's suit.

A Starfish is Born Watch Globo's rise to fame.

See the Galaxy they said Play at least once on a desert, a forest, and a snow planet.

Paving the Way Completed "Paving the Way"

Gold Revenge Obtain all 72 medals on the original Arkham City ranked maps (as Batman)

Take part in an Online Stunt Run Awarded for taking part in an Online Stunt Run.

Perfect Freeflow 2.0 Perform a perfect combo including all of Batman's combat moves (any play mode)

Operation: Anchorage! Completed "Operation: Anchorage!"

Joker Successfully make opponent draw cards with Wild Draw Four 10 times.

A Feast for Two Endurance Co-op Challenge: Eat the meat of 3 bears with your partner

Eye of the Tiger Win 15 matches in Survivors.

Remember The Fallen Collect All Fallen Striders

Entry-level combat Win 1 match in Ghost War (Standard).

Expert Marksman Kill 2 enemies more than 200m away with headshots in 3 seconds.

Look, I made this! Create a ship and share it

Attachments Master Find 30 Attachments and then equip one in the gunsmith.

Ducks in a Row, Fish in a Barrel Line up three humans with the Dislocator and send them sprawling

Sequel-Bait Discover Dr. Gurgula's hideout in the Human Haven.