NuclearHellfire

.45 old school Perform 45 kills with the M1911 Handgun in Multiplayer

The Executioner Landed Killsight strikes on 100 enemies.

Mapper Decorate an Adventure Map

New School Place a Hook Hat in your level

Into the deep Complete 12 consecutive Waves and escape from the Horde Map "Into the Darkness".

The Sunset of Hope Complete the ANNA level.

No Stone Unturned Find every collectible strewn across Medici.

Anyway, Here's "Firewall" Activate the Backburner's firewall.

Teensies' hero Rescue 300 Teensies

Moonscraper Eradicate the mistress of the deathly moon.

Eggs-citing Development Hatched 5 chocobos at the chocobo ranch.

True Haggler Earn at least 100,000 G in total item sales.

Chain Smoker Disable 50 enemies using smoke grenades.

Assassin View Find the Assassin's view.

Scourge of Humanity Reached Level 20 with Bad Karma

Slippery Slope Create a slide

Practice Makes Perfect Defeated a total of 20 enemies in combat simulation sessions.

Short Circuit Destroy ten enemy robots that have been disabled with an EMP emitter.

Slimy Rescue Rescued the Bot in Suck It Up.

Lesser Evil Deal with Mr. Carella's indiscretion.

Rain Man Complete the BRIDGE level without a kill.

Warrior Special Dodge the Warrior's attacks 20 times in one battle.

Knight in Shining White Armor Revive 20 friendly troops.

10 Minutes of Create Spend 10 active minutes in Create mode

Heads Up! Complete the PAVEL level.

Weaponsmith Made one of every custom weapon

Through the fire... Complete Mission 3

I Don't Speak Kreon! Complete Act 3 without using mission select.

Developer Spend 1 hour on the DEVELOPER level.

Skelly Slayer Slay Skelly 15 times

Forgive Me, Father... Take sanctuary in a monastery to clear Heat Level 5.

No Way Out Complete the KHAN level.

The Desk Job You convinced Wayne Haas to let you into the morgue.

Two Birds with One Stone Destroy two or more enemy robots at once with the LFE gun.

Adapting to Circumstance Achieve Weapon Proficiency level 30

Double, Double, Toil And Trouble Create 20 Concoctions.

Disappearance Complete "A QUIET EXIT" mission.

Invisible Savior Complete the FACILITY level without killing or raising alarm.

The Hunted Becomes the Hunter Won 50 encounters in the overworld.

Dirty Secrets Finish Chapter Three

Hanging Rescue Rescued the Bot in Handhold Havoc.

Kickstopper Jump kick 10 times without touching the ground.

At the Summit of Apocrypha Complete "At the Summit of Apocrypha"

Bronze Revenge Obtain 24 medals on the original Arkham City ranked maps (as Batman)

Dethroned Eradicate the king of demons.

Chapters 8-11 (Normal) Complete Chapters 8 through 11 on Normal difficulty.

Usurper Observe the rise of the castle's new master.

Temper Temper Hunt your first tempered monster.

The Hunter's Life for Me Complete 50 optional quests.

“A Shocking Turn of Events” - Rescuer Rescued the Little Sister in “A Shocking Turn of Events”