DeathByNumbers

Undiscovered Truths Find all the intel hidden in Nightfall.

Grave and Growing Free a country.

Burgertown Escort Service Rescue 1 survivor in Infection.

Gotta Catch'em All Collect all secrets.

Deliver This Complete the "Special Delivery" Special Ops mission on Veteran difficulty.

Distinguished Service Collect 50 Team Boosts.

Great Explorer Trigger a total of 50 route changer Power Plays.

Acquire Waffle Weapons! Obtain the Ray Gun, DG-2, and the Monkey Bomb at the same time in a game. (Map Pack 3 only)

Bike Win 5 Festival races using a Bike

Come On And ... Slam 10 zombies at once in Outbreak.

Destroyer of Chickens Kill 100 Chickens

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

Tycoon Complete the GFO Oil Rig mission.

He Talked Too Much Defeat Emerson Miller

The third faction Rescue all the Buddies from their respective predicaments

Tumbler Perform an impressive Barrel Roll

Apprentice Complete stages 1 to 4

A Time of Wood and Stone Gathered the lost lore of Cadash Thaig ("Witch Hunt" downloadable content)

Master of the reliquary Gather all the fingers of Frankenstein

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

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

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

Out Of Reach Get an online form of 25 or better.

Dinner Date Pigsy's Perfect 10: Collect all hidden food and pin-up girls.

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

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.

Street Fighter Complete all Dragon's Teeth Assignments

World Beater Get an online form of 1.

Mindful Vandalism Place a sticker or a decoration on another player's sackperson.

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

Spidery Point Destroy the Spider Boss on Arachnophobia, without destroying any of its mini guns.

Alright, Alright Survive until round 10 in Infection.

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

Skirmish - Chapter XIV Finish the levels from Chapter XIV in Squire difficulty

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

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

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.

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

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

Defending Our Way Of Life Rescue a hideout.

A More Perfect Union Finish what you started.

Back in Action Perform 10 revivals.

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

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

SuperSeries Champion Win the DC SuperSeries Championship

AMG Completionist Gain all stars in 'AMG'.

Aw, Shucks Pick up the Princess 200 times

Skitchin' Reach 200 km/h with the Hoverboard for 10 seconds while grappled to a vehicle