OASE

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

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

Head Trauma Use every type of melee weapon on a zombie

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

The third faction Rescue all the Buddies from their respective predicaments

Pack Addict! Upgrade 5 weapons at the Pack A Punch Machine. (Map Pack 3 only)

Forgive me, sensei Kill Sanjuro Demon without getting hit

Just Like Old Times Dispatch the professor with a shot to the groin.

Heroic Training Completed training with Goku!

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

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

Friends With Benefits Had relations higher than 90 with all factions in the Modern Era

This Is How Hot Dogs Are Made 10 Walkers Killed with Saw Blades in the Logging Camp

Not on My Watch Kill a fleeing Wargar in the town of Dyfed

Loot and Pillage Collect $1,000,000

Phantom of the Opera Kill 4 players with one Chandelier

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

Like Killing Ants Kill 5000 soldiers.

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

Let there be rock! Beat the high score in Raven Thunder's Rock Legend

E Pluribus Unum Earn 20 team citations.

ARCHIVIST Collect all documents

State of the Badass Art Complete all Campaign levels on Ultimate Badass difficulty

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

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

That woman is a demon! Kill Aiko Demon without getting hit

Street Fighter Complete all Dragon's Teeth Assignments

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

Tough luck, chum! Complete Ragnarök - Part I on any difficulty.

Donut Mess with a Cop Unlock Officer Dick.

Hard pressed Complete all levels on Hard

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

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

Heads Up! Kill 25 Heroes by attacking them from above in PvP.

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

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

Eh...what's up, doc? In cooperative mode, revive wounded players 5 times.

Exorcist As Caddoc, send the demon in the library back to hell at the end of Chapter 4

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

Survivor Survive until Round 25 in Outbreak.

Alright, Alright Survive until round 10 in Infection.

Release the Kraken! Killed 20 enemies during the boat exfil in Rip Current

World Beater Get an online form of 1.

Loyal Customer Purchased all upgrades in the Motor Forge

Going to the Vet Earn the "Veteran" Challenge Collection.
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Pinnacle Complete the "Vertigo" Special Ops mission on Veteran difficulty.

Supernova Get 3 stars on each of the first 14 Echoes

Dedicated Collector Collect all Upgrades

Call of the Void Complete Ragnarök - Part II on any difficulty.

All Trophies Get all trophies.