prof1313

I want one of those Customize 25 weapons.

...A Saint Gets a Gun Ring all the bells in town in 'Miracle on 3rd Street'.

Brag Rags Earn 1 star in Special Ops Mission Mode.

Serial Killer Track down the serial killer

Can't touch this Use a hammer to kill a series of 15 zombies without taking damage.

Secret Stickerist Unlock the race in First Steps

Minty Fresh! Lick the candy cane barricade all the way through in 'The Fight Before Christmas'.

Catch! Kill an Infected with a grenade blast.

Gilded Complete a level in Score Attack with a gold score

Gesundheit! Heal yourself with a medkit 100 times.

Swing them sticks Kill 150 enemies using Analog Fighting controls.

Our Gift to You Find the present in a holiday mission.

Ah! Spoiled meat! Kill a Butcher using an axe.

Everybody lies Use a large medkit to heal an injury of 5% or less.

Rageman Kill 100 enemies with Fury attacks.

Guns don't kill but they help Kill 250 zombies using firearms.

Nearly there Find 120 collectibles.

Puzzler Rescue the third hostage from Riddler

Dear Santa Find all the letters to Santa in the holiday missions.

Gadget Attack Use 5 different Quickfire gadgets in one fight (any play mode)

Ménage à trois Complete 5 quests with 3 co-op partners.

Originality Play in a co-op team of 4 different playable characters.

Aggravated Assault Stop all assaults in Arkham City

Walking the Dinosaur Spend 30 minutes with Raptor Ned as your homie.

Fully Loaded Collect all of Batman's gadgets and upgrades

50x Combo Complete a combo of 50 moves (any play mode, any character)

A Very Genki Holiday Complete all instances of Genki Holiday.

10 heads are better than 1 Kill 10 zombies in a row with headshots.

Make a List, Check it Twice Complete all instances of Naughty and Nice.

Rootin' Tootin' Lootin' Loot 5 Exceptional Weapons.

He's Still on the Naughty List Deliver a present to Zinyak in 'The Santa Clawz'.

Health Inspector Destroy all the green polyps inside Paul in 'Pop His Top'.

Dr Frankenstein Create a living creature with at least 2 eyes, 2 legs or wheels, and a brain

People Person Play with 10 different co-op partners for at least 15 minutes each.

Get that Kid to a Psychologist Find all the snowmen vignettes in the North Pole.

Rigging the Race Destroy all the rival pony carts in 'At the Races'.

Ultimate Hot Potato Get 100 kills with the Grenade Launcher.

Hello Little Friend Get 250 kills with the Minigun.

OMGWTFBBQ Get 100 kills with the Flamethrower.

Gotham Base Jumper Jump off the tallest building in Arkham City and glide for 1 minute without touching the ground.

Light my fire Set 10 zombies on fire simultaneously.

A World Without Christmas Complete the holiday text adventure.

Oh, no you don't Kill a Ram using tackle skill.

There and back again Explore the entire island.

Intellectual Rescue the fourth hostage from Riddler

Brute Juke Kill a Brute without taking damage

Family Jewels Retrieve your stolen goods

School of hard knocks Reach level 50.

Flawless Freeflow Fighter 2.0 Complete one combat challenge without taking damage (any character)

Danger Close Take down a chopper with an AC-130 smoke grenade in "Bag and Drag."