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Heavy Artillery Launch 25 princess attacks

Undiscovered Truths Find all the intel hidden in Nightfall.

Big Game Trapper Use a hypno trap to turn a Rhino friendly in Mayday in Regular or Hardcore difficulty.

Postmaster Complete any outpost by activating all of the generators in Regular or Hardcore difficulty.

Lights Out Complete the "Light 'Em Up" Special Ops mission on Veteran difficulty.

The Sky Is Mauling! Kill 3 enemies with Mortar Strike in ‘Air Traffic Control’ Operation.

Master of the reliquary Gather all the fingers of Frankenstein

Sébastien Loeb Rally Challenge Complete the "Sébastien Loeb Rally Challenge" Special Event.

Cleared: Metal Slug Beat Metal Slug.

Making a Point Kill both bosses with head shots in ‘Hostile Takeover’ Operation.

Torque Completionist Gain all stars in 'Torque'.

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

Enthusiasms Kill Torres with a melee attack in ‘Hostile Takeover’ Operation.

Closing the Experiment Log Earn ALL of the platinum Flashback Relics

Justice Is Blind Kill 4 enemies who are stunned by a Flashbang Grenade in any Operation.

Gotta Catch'em All Collect all secrets.

What to wear? Own 10 costumes.

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

The third faction Rescue all the Buddies from their respective predicaments

People of Earth, Please Lend Me Your Energy! Collect half of all skills.
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First Step to Awesomeness Win an Online Match

Making mountains out of molehills Kill 100,000 enemies.

Don't burn yourself out Defeated the Keeper

Fruits of Labor Go into Training mode 10 times.

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

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

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

Boss Beaten: Metal Slug 2 Defeat the 1st boss in Metal Slug 2.

Objective Driven Complete a total of 30 objectives across all matches

It's time for your medicine Kill all the Residents with an Overdose Syringe

Route 66 Racer Drove for a total of 2,451 miles (approx. 3,945km), the length of the USA's famous Route 66

Extreme Manhunt Complete a Seasonal Manhunt mission on Challenge difficulty or above.

Two's Company, Four's a Party Complete any Adventure level with 4 players.

Tailor-made Chose a perfectly fitting armor

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

The Sound of One Hand Capping Complete ‘Got Your Back’ Operation with only a handgun.

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

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

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

Street Fighter Complete all Dragon's Teeth Assignments

Signing Day Announce where your college ball will be played at.

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

Nahantu Sightseer Explore all of Nahantu.
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Phantom of the Opera Kill 4 players with one Chandelier

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

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

Total Football Successfully convert a player to a new position in Career Mode.

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

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

The New Fort Knox Gain 1500 gold bullion