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I Love Science Obliteration - Extract Wernicke, Hänel, and Kehrer in one playthrough

I never redoubted you! Complete Dead Zeppelin on any difficulty.

Off the Deep End In Voyage of Despair, survive to round 20 without draining the water

I said we’re CLOSED! In Nacht Der Untoten, do not let any zombies enter the building during the first 3 rounds.

Luck Be A Lady Get all MK Dragons in Test Your Luck

Here Kitty, Kitty In IX, Kill a Zombie Tiger with a Brain Rotted Tiger

Absolute Perfection Lauren's waiting, so how about you finish your fights quickly and get 30 Perfects. Sound good?

Quick Off Your Feet In Der Eisendrache, wall buy the BRM.

Bye-Bye, Dark Aether Help the lost scientist complete his experiment

Ultimate Humiliation Perform every fighter's hidden finishing move

The Eagle has Landers In Ascension, escape on all three lunar landers.

Floater Parachute off a Gantry Crane onto the roof of the Harbormaster's Building in 'Precious Cargo'

Overkill Obliteration - Kill all enemy snipers with explosives

Hired Gun Complete 20 Contracts in MWZ

Worlds Collide Complete Story Mode chapter "Rescue Mission."

Required Reading Collect all physical Codex pages in a single save slot (Ancient Gods 1)

Crystal Spelunker Complete World Spear (Ancient Gods 2)

Saving Private Reiner Obliteration - Don't kill any members of the Reiner family

The Competitor Complete 200 Versus matches (online OR offline)

Rush Hour Get a Double Kill with the RC-XD in Multiplayer

Stalwart Wander Max out HP bar

Full Master Earn all Gold Medals available in Mastery Challenge

Lucky Charm Bracelet Acquire all Support Runes in a single save slot (Ancient Gods 1)

Feline Revenge Obtain all 72 medals on the original Arkham City ranked maps (as Catwoman)

That's The Parker Luck, Chuck Spider-Man is down and out

Full Marks Infiltration - Complete all the Challenges

Death From Above In Der Eisendrache, kill a zombie while being flung by a Wundersphere.

Cross the Threshold Complete Reclaimed Earth (Ancient Gods 2)

Tougher Than Nails Acquire all Sentinel Hammer upgrades (Ancient Gods 2)

Betrayal Kill an enemy from behind at close range while disguised by the Sleeper Agent

Centennial Acquire 100% of the Stars

That’s a lot of Jigawatts! In Der Eisendrache, electrocute 121 zombies.

Siege the Day Complete Immora (Ancient Gods 2)

Write Off Kill 500 Enemies using an Insured Weapon in MWZ

Frequent Flyer BASE jump and travel more than 150 m with your parachute

To Know Your Enemy... Get 100 Kills while using Mutant Injections in Zombies

Hypersonic Complete all Secret Encounters in a single save slot (Ancient Gods 1)

Skilled Adversary In IX have a Challenge banner with all 9 medallions

Swimming with the Fishes In Voyage of Despair, kill 50 zombies that are underwater in a single game

Rest Your Weary Fists Kill the Dark Lord (Ancient Gods 2)

Worldly Warrior Let's do this, amigo! Fight 50 matches online, because that's the only way to become strong!

Threepeat You think being this good is easy? Let's see you win 3 Ranked Matches in a row, champ!

Atomic Obliteration - Complete all the Challenges

Baranor the Conqueror Complete the Desolation of Mordor with a Gold Rating.

Think She'll Notice? Destroy all of the cars in the mansion garage in 'Oligarch'

Fling Me to the Moon In Der Eisendrache, use every Wundersphere twice.

Have You Tried Turning it Off and On? Use a Shock Stick to disable an enemy Sentry Gun

Critical Literature Collect all physical Codex pages in a single save slot (Ancient Gods 2)

Dread Destiny Determiner Foresee the death of Spider-Man

Seek & Destroy Get 2 Kills with a single remote controlled Throwing Knife from at least 50 meters away in Campaign