Flocketoffel

Tag, You're it! Use the Spotter Scope to tag 60 enemies or items in Open Combat Missions

Crash Proof Use a flashback in the DiRT Tour after receiving terminal damage and then go on to win the race

I Just Called To Say I Love You Listen to the messages left on 5 different answering machines.

Vehicle Builder Build your first Builder car.

2-fer Using the EBR-14, kill 2 enemies with 1 bullet 5 times in 'Payload' without sounding the alarm

Elevator Out of Order Reach the roof in 'Highrise' under 45 seconds

A Clean Bill of Health Have a single character affected by all status ailments (both beneficial and detrimental).

Save the Poet Complete The Pen and the Sword in Single Player.

He Talked Too Much Defeat Emerson Miller

You're Not Worthy As My Opponent Breach: Send 3 Challenges.

The third faction Rescue all the Buddies from their respective predicaments

Nahantu Sightseer Explore all of Nahantu.
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Chain Gang Killed 2 Malthusians within a timed chain attack.

Gravestone Kill 100 Zombies with a vehicle in a single deployment in MWZ

Better than the Best Complete the entire campaign on Authentic Plus difficulty with no manual saves

Don't make me pull the trigger! Survive for 5 minutes in Demolition mode

Flyswatter Destroy all helicopters in the "Vertigo" Special Ops mission.

A Star is Born Earn a bronze star in Career mode

Mode master Win an online game of every mode in every difficulty at least once.

Faith in the Fallen Take a leap of faith

Egg-stra Devastation! Complete the Egg-Stra XP challenge and then destroy a hive in the Devastation DLC package.

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

Chapter 6 Speedrun Complete a Speedrun of Chapter 6 below the target time.

A Chance Encounter Completed Mission 07 in campaign mode.

Think fast! Finish trial #8 with at least 52 seconds left on the clock.

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

A preserved Alliance You have decided to save the Alliance from the Guard's coup

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

In the name of the Enlightened You have decided to save Thélème from the Guard's coup

Like a glove… Finish trial #6 with 3 hearts left without picking up a spell.

Deadhead Get 150 zombie headshots in a single game. (Map Pack 2 only)

Wish Upon A Star Complete Sofia's story

Rising Star Earn a silver star in Career mode

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

ARCHIVIST Collect all documents

The New Fort Knox Gain 1500 gold bullion

Two for One Complete Crime and Punishment in Multiplayer.

A passion for extreme Complete the game in extreme mode

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

Let Me Explain After a perfect parry, perform a total of four takedowns

Collector Loot 10 Superior or Custom items.

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

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

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

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

You Can Pet The Dog Pet a Hellhound in MWZ

Island for sale You have favoured the old world at the expense of your roots

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

No One Cared Who I Was... Until I put on the mask.

Heavy Ordinance Specialist Destroy 50 Aerial Scorestreaks with Launchers in Multiplayer