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Demon's Roar As Magik, land 3 KOs within a single tranformation into Darkchild.

Super Collision Course Either on (at least) your 2nd playthrough or in Hard (or greater) difficulty, conquer the fierce battle at Glaivend Basin without using any items!

A Lover, Not a Fighter Successfully complete 10 No Kill battles during story mode.

High Score Score 800,000 points in one game -- with Game Settings set to Hardcore.

Chapter 2 Speedrun Complete a Speedrun of Chapter 2 below the target time.

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

Surprise Attack! Arrive at the objective in File R-07 without being spotted.

Chapter 4 Speedrun Complete a Speedrun of Chapter 4 below the target time.

Chimp on the Barbie In Ascension, kill a space monkey with a fire trap.

Burgertown Escort Service Rescue 1 survivor in Infection.

I came in like a Resogun Accumulate a total Wrecking combo of 1,000 in Demolition mode

Chapter 3 Speedrun Complete a Speedrun of Chapter 3 below the target time.

None more hard Complete the Campaign on Nightmare difficulty.

Green Series clear Get a silver medal on every green track

Come On And ... Slam 10 zombies at once in Outbreak.

Acquire Waffle Weapons! Obtain the Ray Gun, DG-2, and the Monkey Bomb at the same time in a game. (Map Pack 3 only)

Deliver This Complete the "Special Delivery" Special Ops mission on Veteran difficulty.

Total Football Successfully convert a player to a new position in Career Mode.

Magic Socket Obtain the Magic Socket artifact.

Potentite Purist Collect every potentite.
The power is in your hands!

Reload! Empty all your nitro for the first time from full to empty

Tourist, Shivering Isles Entered the Shivering Isles

Nahantu Sightseer Explore all of Nahantu.
0/100

Mountain legend Complete 30 MOUNTAIN STORIES in Alps

Boundless Courage Achieve victory while morale is low.

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

Compulsive Hoarder Obtain at least 100 hidden treasure items.

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

Off My Planet Recover the Hyperwave Beacon.

Worth Every Penny Acquire 1000 credits in one month.

The Most Famous Hedgehog in the World Have your photos taken in Studiopolis Zone

Bookwyrm This is proof that you've become quite familiar with the Library. How to obtain this is kind of a secret, but if you take the time to do a bit of reading now and then, you should be pleasantly surprised.

Faith in the Fallen Take a leap of faith

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

Chapter 6 Speedrun Complete a Speedrun of Chapter 6 below the target time.

Orb of Delusion Obtain the Orb of Delusion artifact.

Man No More Build a suit of powered armor.

Creeping Flesh Complete "Creeping Flesh" in Story Mode

Chatterbox Sometimes, after you've found a discovery point or when you're at a save point, you have the opportunity to press L3 to initiate a conversation between your companions. This is proof that you've experienced many Things and had a lot of Opinions about them.

Alright, Alright Survive until round 10 in Infection.

Street Fighter Complete all Dragon's Teeth Assignments

Fully Loaded Maximize all upgrades.

Survivor Survive until Round 25 in Outbreak.

Make Friends Acquire all six main characters.

Crystal Clasp Obtain the Crystal Clasp artifact.

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

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

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

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

Child of Darkness and Flames Defeat Angra Mainyu without taking any damage while controlling Proto Bahamut in Chapter 8 of the main story