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Chapter 5 Speedrun Complete a Speedrun of Chapter 5 below the target time.

Clash in a mirror Kill Hiroki Demon without getting hit

The Most Famous Hedgehog in the World Have your photos taken in Studiopolis Zone

Back in the Field Acquire the Major's keycard in 'Deep Cover' within 90 seconds without being detected

Crossing The Rubicon Complete Mission 10 - Faith.

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

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

You Can Pet The Dog Pet a Hellhound in MWZ

The Butcher Of Narapela Kill 10 Butchers.

To the Victor Go the Spoils Reclaimed your items from the scavenger who stole them from you.

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

High Score In Zombie Rush, obtain a Personal Score of 250,000

Plummeter Fall for 30 seconds.

Old School Play a 2,3,4 player split screen local game

Chapter 7 Speedrun Complete a Speedrun of Chapter 7 below the target time.

Chapter 8 Speedrun Complete a Speedrun of Chapter 8 below the target time.

Making mountains out of molehills Kill 100,000 enemies.

To Hell And Back Finish the game on Very Hard Mode with any character

All Creatures Great and Small Rescue every captured friend.

Entrapment Kill 20 enemies with security guns in a single level.

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

Harpy Joyride Summoned a harpy, grabbed hold, and took flight.

SPF 1000 Deliver the final blow to Orion using a solar flare.

Breathing Room Kill a Viper who is strangling a squadmate

Heavy Ordinance Specialist Destroy 50 Aerial Scorestreaks with Launchers in Multiplayer

Wrecking Crew Destroy the statue with the bulldozer

Toasted Burn 100 enemies to death in campaign mode

Two for One Complete Crime and Punishment in Multiplayer.

Underwater Expedition Defeat Cetus while its head is underwater.

Alright, Alright Survive until round 10 in Infection.

Mercy Kill 5 enemies while they are on fire in Chapter 3: Fire Sale

Act 2 Cleaner Complete all Act 2 maps on Nightmare difficulty.

Falcon and the Snowman Complete Crime and Punishment in Single Player.

Blood Donor Pass 5000 levels in Bloody Palace Mode

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

Survivor Survive until Round 25 in Outbreak.

To Jugger or to Jugger-Naut Kill all juggernauts after they land on Veteran difficulty in the "Vertigo" Special Ops mission.

Believe It or Not Catch a tsuchinoko

Untouchable Complete SAM'S STORY on Normal or higher difficulty without dying in Batwing encounters.

The Bereaved Unlock Wendy

Call me Terror-Billy! Beat the game on "Call me Terror-Billy!" difficulty or higher

Complete Episode 3 Complete all the chapters in Episode 3.

Closing the Experiment Log Earn ALL of the platinum Flashback Relics

Slip and Slide Perform a twelve-meter blood slide

Reaper Kill 30 Sowers.

What Do We Say To the God of Death? Bandage yourself 3 times in one life

Pink Progress Breed 50 pigs

PC Load Letter Use the 3D printer 15 times in a single match in Outbreak.

Wander and the Forbidden Clear the game in hard difficulty

Get him! Win a Quick Race on a track in the Batcave (not unlockable in Split Screen).