KidMichael2

40 Knives! Kill 40 zombies with the bowie knife. (Map Pack 3 only)

Drop the Bass Eliminate both Morgan and Cross in a fall accident and both by dropping a coconut on their heads.

Pea Shooter Kill a Rhino with only a pistol in Nightfall in Regular or Hardcore difficulty.

Together Till the End Be the last man standing

Yeeee HAW! Complete the Adventure Mode on the Hard difficulty.

Seal the Deal Complete a Triumph Seal.

Perkaholics Anonymous! Survive until round 20 without buying a single Perk. (Map Pack 3 only)

GD Parkour Instructor Complete all Parkour Fever Challenges at night

Baranor the Conqueror Complete the Desolation of Mordor with a Gold Rating.

Factory Zero You survived Hei Zhen Zhu and RBS using no Praxis kits, weapons, grenades or mines. Whoa.

Frequent Flyer! Use the teleporter 8 times. (Map Pack 3 only)

Seek & Destroy Get 2 Kills with a single remote controlled Throwing Knife from at least 50 meters away in Campaign

Party-pooper Sabotage the wedding.

One Night in Bangkok Reach Bangkok Mastery Level 20.

A Series of Unfortunate Events Eliminate Mendola with the crystal ball, Kong in an electrocution, and both by poisoning the pipe.

Hoarder Have a total of at least 250,000 points in Echoes Mode's total high score

Prince Regent Capture 10 Kingdoms

Atomic Obliteration - Complete all the Challenges

Soul Survivor Reach round 15 in Nazi Zombies without getting revived. (Map Pack 2 only)

NDA Protocol Destroyed the Synthesizer.

Invasion on Main Street Complete Case 2 of the Story

Skewer the Winged Beast In Under the Radar, have the SAM target itself and the helicopter

Mission Complete Reach Colorado Mastery Level 20.

Deer in the Headlights Stab five stunned enemies in a row in the "Light 'Em Up" Special Ops mission.

Hell Razor Kill a Burnout using the helicopter that arrives in Crash Site

Greenlight Protocol Powered the reactor.

Think She'll Notice? Destroy all of the cars in the mansion garage in 'Oligarch'

Have You Tried Turning it Off and On? Use a Shock Stick to disable an enemy Sentry Gun

Supernova Get 3 Stars on 20 different Echoes

Forever Marked Progress the story to unlock.

Sayōnara Reach Hokkaido Mastery Level 20.

A Man of Principle Complete the SAM'S STORY chapter earning the Captain's full trust.

Spectrum Needler Buddy Acquired Spectrum Gatling, The Needler, and Udder Buddy.

Shadow Vigilante Master the Shadow Vigilante Dark Knight track

Hungover Wake up in a haystack

Lucky Stiff Found Lucky Montoya's body.

Helo Hat Trick Destroy each objective helicopter in 'Reactor' with a different Armament

It's just a scratch Complete THE TWO COLONELS Chapter without using any Medkits on Normal or higher difficulty.

Things That Go Ka-Boom Learn how to craft Exploding Arrows

Pursuit of Knowledge Filled 80% of the Datalog.

Great Owl Find all the Night Hunters' secret stashes in the SAM'S STORY chapter.

Fast Track On Mean Street, kill all the snipers on the rooftop before the DNA bomb explodes

David vs Goliath In Checkmate, destroy the APC using an RC-XD

Hitchhiker Defuse the bomb on the truck in 'Gora Dam' while it is in motion

Marrakesh Escalated Complete Level 5 of an Escalation Contract set in Marrakesh.

Break the Bank Complete "Golden Handshake."

Electric Whisper Learn how to craft Electric Arrows

Snow Angel Execute the forest sniper in 'Frozen Tundra' with a takedown

Campaign Kitty Obtain all 108 medals on the original Arkham City campaigns (as Catwoman)

Hardcore Gamer Complete all Operations on Difficulty Level 7+.