DiggieChef

North River Expressway Dominate the North River Expressway event

Party's Over In Most Wanted, perform 5 takedowns on guards in the gala without being spotted

BOOM! Who Needs a Headshot? Kill 5 Walkers with One Explosion

Jedi Master Complete Jedi Temple - Sith Master difficulty

First Encounters Start by fighting a match in the Battle Hub. It doesn't matter if you win or lose. What matters is challenging yourself to take that first step.

Four's Company You played a Roblox game with 3 of your connections!

Survived Nightfall Kill the Breeder for the first time in Nightfall in Regular or Hardcore difficulty.

Phantom Exterminator Kill 5 Phantoms in one game in Nightfall in Regular or Hardcore difficulty.

Nemesis Meet Skullface

Hatred Purged Complete the Vessel of Hatred campaign.
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Come Up For Air Reach the top deck in Mayday in Regular or Hardcore difficulty.

Ringmaster Collect 20,000 Rings.

Student of History Activate all Iron Lord Artifacts.

Bye-Bye, Dark Aether Help the lost scientist complete his experiment

Quick Off Your Feet In Der Eisendrache, wall buy the BRM.

The Golden Touch Defeat a boss with one of Ms. Chalice's Super Arts

Floater Parachute off a Gantry Crane onto the roof of the Harbormaster's Building in 'Precious Cargo'

Fighters' Codex Whoa, you seen these Character Guide things? Talk about rad! They've got all kinds of info about people's fighting styles and moves. Oh yeah, Bushinryu gets some rep too, naturally.

Performance Enhancing Mods Unlock all of the Performance Mods (Except Legendary Mods).

Entranced by Battle Having an audience changes everything...and turns a mere fight into thrilling spectacle. Spectate a Battle Hub Match, and bear witness to glory.

Abomination Domination Complete Overgrown Temple on Adventure or Apocalypse difficulty.

Checkmate Defeat all of the King of Games' Champions

Feline Revenge Obtain all 72 medals on the original Arkham City ranked maps (as Catwoman)

A Vacation in the Wilds Defeat every boss in Inkwell Isle IV

Rush Hour Get a Double Kill with the RC-XD in Multiplayer

Ooh, Shiny! Distract 50 Walkers with Items

Up on the Big Screen Sit down by the big monitor in the Battle Hub, and you can view all kinds of stuff. Man... Used to be me up there going wild on the big screen.

Deforestation Kill 15 Seeder Turrets in one game in Mayday in Regular or Hardcore difficulty.

Spliced Complete the "Wrath of the Machine" raid.

Betrayal Kill an enemy from behind at close range while disguised by the Sleeper Agent

Nobody Can Kill Merle but Merle Complete the Second Act

Decadent Defeat 10 bosses with Ms. Chalice

To Know Your Enemy... Get 100 Kills while using Mutant Injections in Zombies

Jungle-Sized Surprise Ever hear of Extreme Battles? They're a little different from regular fights—a little more WILD. Try it out, and let your instincts take over!

Survival Skills Complete Dingy Jungle without using a healing potion or losing a life.

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

Ha-dough-ken I've worked a few odd jobs during my travels, and they all helped me with my training. You should take up a part-time job during your World Tour, as well.

Chill Out Defeat 5 mobs with a single Ice Wand attack.

Pandamonium Complete the Panda Plateau secret mission.

Mental Unblock Get a 350000 Drift Score in Mental Block with Ken's car

Took this thing on a test flight Complete Arcade mode with a custom made ship, at Veteran difficulty level

Mind if I Borrow This? Pull a Bolt From a Walker Then Kill Them With It

Pleased to Meet You! I used to ask millions of questions as an agent. There's a lot you can learn from people just by talking to them—try chatting in the Battle Hub.

Specter Officer Reach max level with one class in the Cooperative campaign.

Seek & Destroy Get 2 Kills with a single remote controlled Throwing Knife from at least 50 meters away in Campaign

Lone Champion Complete Lone Fortress on Adventure or Apocalypse difficulty.

Crash Course in Brain Surgery Kill 100 Walkers while Grappling

Have You Tried Turning it Off and On? Use a Shock Stick to disable an enemy Sentry Gun

Go for Gold! In Onslaught, acquire seven gold chalices

A Horrible Night To Have a Curse Survive the nightmare