DeCrixman

Citizen's Arrest Arrest ten enemies.

Test Subjects Use sheep as test subjects in 6 levels

City Slicker Completed Bizarre Bazaar in 20 minutes on hard difficulty.

Hard Headed Collect 1000 helmets

Egg-stra Awakening! Complete the Egg-Stra XP challenge and then scan an obelisk in the Invasion DLC package.

Eyes Like a Hawk Fracture an enemy's weak spot for the first time.

Positive cash flow Complete a Financial objective in Career Mode

141 Ready Complete the campaign on Veteran

1-Upsmanship Complete Extra Life Mode with 5 Extra Lives in your Inventory (Ancient Gods 1)

Epic Purchase 12 hero upgrades

Nightfall Completionist Complete all challenges and kill the Breeder in Nightfall in Regular or Hardcore difficulty.

YOU > Evil...Caves Conquer all Caves of Evil
with Kisuke and Momohime.

36 Challenges This is proof that you've collected all 36 anomalous orbs. You've poked around in every nook and cranny, you've laughed, you've cried, you've questioned your assumptions... But you made it!

Burning times Complete a level on Master difficulty without using bombs, overdrive or boost with a custom ship

Turnabout is Fair Play Kill 50 Cryptids with the Venom-X weapon in Nightfall in Regular or Hardcore difficulty.

Reinvent the Weapon Wheel Re-collect all of the weapons on the Weapon Wheel

King of Bling Earn ALL of the Clear Gems

Sniped In career mode, compete for the same player with other teams, and win the negotiation war

War Veteran Arcade: cleared any route with difficulty set on hard.

Revolutionary Fighter Find all 45 Signs

No Mo' Modi Get out of jail, but not for free

Annihilation Get 100 Elite Zombie Eliminations in Zombies

Going Up… In The Darkest Shore, unlock the Ubersprengen.

None Shall be Spared Defeat all bosses.
0/1

I am death incarnate! Beat the game on "I am death incarnate!" difficulty or higher

Sack the Postman Post all 6 invitations for the party.

Everyone's a Critic Find all the books in the Bazookaeology trilogy.

Animal Advocate Save Goliath's life.

Mines Shafted Reach the Jungle.

Lingering Moments View all Umbral stigmas.

Controlled Chaos In Revelations, override all of the Corruption Engines before round 6.

Dipped in Gold Purchase all Safehouse and Player Upgrades in Campaign

It's a Trap! In Shi No Numa, kill at least one zombie with three different traps in a single round.

Riding the Thunderbolt Kill Mega-Brno in Hardboiled mode

Overachiever Watch the 100% bonus ending

gnilB fo gniK Earn ALL N. Verted Gems

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

LEGACY Complete all recordings

A Mother's Arms Open Violet's room.

In the Nick of Timey-Wimey Complete ''A Dalektable Adventure''

Rus Do Fah So La Te Do! Upgrade a Rune using the Horadric Cube

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

Strategic planning Complete a Youth Development objective in Career Mode

Upping the Ante Kill the Kraken using a Relic in Mayday in Regular or Hardcore difficulty.

Not One Inch In Gorod Krovi, complete a Lockdown Event.

Shattered Soul Proof of using every Break Soul.
Use this unique power wisely and
you can overcome any foe.

Worst Nightmare Master the Worst Nightmare Dark Knight track

No Goal for You! Goal Line Clearance

Fake it Make it Score a goal by tricking the keeper with a Fake Shot

King of the Jungle Completed Jungle Hideout in 20 minutes on hard difficulty.