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Gimme Five Attain Level 5 with all Murder Circus contestants.

Most Dangerous Game Complete a Murder Circus Finale with Artemis.

Viva La Reina Complete a Murder Circus Finale with Consuela.

Turret-Syndrome Kill a total of 100 Enemies while using stationary gun.

Living the Dream Complete a Murder Circus Finale with Daniel Li.

Knowns and Unknowns Repay a favour.

Campaign Kitty Obtain all 108 medals on the original Arkham City campaigns (as Catwoman)

I've Got This Acquire all upgrades

Duct Tape FTW Create all combo weapons

You Died Alot Get killed by Jason 100 times.

Give Them Something to Believe Complete New Game Plus

Chuck Greene: Cross-dresser? Change into all pieces of clothing in the game

Alliance Reborn Break and enter.

Zombie Genocide Master Kill 72,000 zombies

Target Score Sampler! Beat the target score in any Chapter (Points Count Mode).

The Spider's web Defeat 50 enemies using the Amazing Charge Attack

Just Like Old Times Dispatch the professor with a shot to the groin.

Head Trauma Use every type of melee weapon on a zombie

Hi Score Collect 1,000,000 points over all story levels you have played.

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

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

Grave and Growing Free a country.

Distinguished Service Collect 50 Team Boosts.

Extreme Manhunt Complete a Seasonal Manhunt mission on Challenge difficulty or above.

Hard pressed Complete all levels on Hard

Mindful Vandalism Place a sticker or a decoration on another player's sackperson.

Monkey Obsessed! Collect every Monkey Toy in the game.

A More Perfect Union Finish what you started.

The Spider's shadow Complete a Noir level without triggering an alarm

Full-Auto Frenzy! Kill a total of 200 Enemies using Rubi's Sub-Machineguns during acrobatic slow-mo.

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

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

Worst Nightmare Master the Worst Nightmare Dark Knight track

Insert Coin Complete all achievements in one game from The Arcade.

Let it Snow Receive the Extreme Environment Suit (XE Suit)

Drilling for Justice Assemble the cryonucleation tunneller - the cryodrill

Balancing Act Balance another sackperson on an object while lifting it with touch.

Iron and Blood Fight back an ambush.

The circle is now complete Get to Rank 100

Legend of the Dark Knight Complete all Dark Knight challenges

For Auld Lang Syne Stop Freeze and bring Boyle to justice

Stalact-tactician Takedown 2 enemies with one stalactite

Heroes Unite Perform 10 Fusions with another player-controlled hero in a Co-Op game.

Smooth moves Unlock all Combat Upgrades

Hard Time Finish Story Mode on Fixer (Hard) difficulty.

Down with the Revolution Stop Anarky thug operations in South Gotham

Snowjob Get 3 enemies frozen in one attack

TBoGT: Past the Velvet Rope Score 80% or above in all missions. (The Ballad of Gay Tony)

Bug collector Collect the Hidden Spiders

Potential Evidence Collect 10 Concept Art Bundles in HQ maps.