Atc1981

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

You know you're REALLY Insane, right? Complete the entire main campaign on Authentic Plus difficulty

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

Give Them Something to Believe Complete New Game Plus

Two's Company, Four's a Party Complete any Adventure level with 4 players.

Undiscovered Truths Find all the intel hidden in Nightfall.

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

The Sacrifice Completed Ending Two

Burgertown Escort Service Rescue 1 survivor in Infection.

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

Unraveling the Landscape Some of these developed stone rows or processional walks that channelled the approach of both the dead and those wishing to commune with them.

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

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

Bike Win 5 Festival races using a Bike

Keeper's Best Friend Prevent a goal with a sliding goal line clearance

'I ain't afraid of no ghosts!' Shoot down 6 ghosts on their way to scaring you

Better than the Best Complete the entire campaign on Authentic Plus difficulty with no manual saves

A Time of Wood and Stone Gathered the lost lore of Cadash Thaig ("Witch Hunt" downloadable content)

Worth Every Penny Acquire 1000 credits in one month.

Off My Planet Recover the Hyperwave Beacon.

Tumbler Perform an impressive Barrel Roll

Mr. Climax Trigger all Climax Heat variations for Kiryu, Saejima, Akiyama, and Shinada.

The First One is the Hardest Get your first 1,000,000+ combo

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

Bird Brained Brainbug at least one penguin from each of the 7 penguin ranks, including Putzki in a single playthrough

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

A New Hope See all of the endings of Ninja
Scroll of the Demon Blade.

Top Ten Rank in the top 10 at the Coliseum for the first time.

Egg-stra Devastation! Complete the Egg-Stra XP challenge and then destroy a hive in the Devastation DLC package.

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

Man No More Build a suit of powered armor.

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

Donut Mess with a Cop Unlock Officer Dick.

Making mountains out of molehills Kill 100,000 enemies.

Going to the Vet Earn the "Veteran" Challenge Collection.
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Another Dimension Collect 2000 worth of gold lying on spikes, while using the Phase Locket.

Midnight Party Play a game of Start the Party!™ (any game mode) between 12 o'clock and 1 o'clock at night

That Party was Ace Ace every Adventure level in The Journey Home.

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

Dirty Half-Dozen Complete the Cooperative game mode

A Bridge To Somewhere Extend the bridge in Awakening in Regular or Hardcore difficulty.

Alright, Alright Survive until round 10 in Infection.

Peak Performer Win three games as the Mountaineer character

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

Flatline Completed Ending Five

Survivor Survive until Round 25 in Outbreak.

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

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.

The Ultimate Sacrifice In Zetsubou No Shima, retrieve the Skull of Nan Sapwe.