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

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

Artful extraction Absorb your third Boss Stem Cell

Multiplicitous In Zombie Rush, get your score multiplier up to 100

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

Finished, without fear. Finish the game with two Boss Stem Cells active

The third faction Rescue all the Buddies from their respective predicaments

Woah! Earn all the other trophies.

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

Big Help Wear something on your hip

Headshunter Defeated a hydra or archydra.

Bloody Millionaire Accumulate a total of 1 million blood points. (blood points can be spent before reaching the total)
65675/1000000

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

High Wire Act Kill 10 enemies while using a zipline

Into the Manse Entered the duke's manse.

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

Grounded Kill an airborne enemy with Brigitte's Whip Shot in Quick or Competitive Play.

Heavy Ordinance Specialist Destroy 50 Aerial Scorestreaks with Launchers in Multiplayer

Classic Leaderboard Champ Ever try the Ranking Challenge at the Game Center? Give it a shot! It's important to always challenge yourself, even when it comes to games.

Closing the Experiment Log Earn ALL of the platinum Flashback Relics

The New Fort Knox Gain 1500 gold bullion

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

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

I've Got Your Back! Save an ally 50 times in 4v4 PvP matches.

Crystal Clear Mow down all weed patches in the world in Story mode
0/100

Perkaholic Have 9 perks active at the same time in MWZ

Wish Upon A Star Complete Sofia's story

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

Big Ride Ride the train

Gabe Fan Collect all cassette tapes!

Hack the Planet Weaken an enemy that would have dealt lethal damage to an ally using Cyberspace in Quick or Competitive Play.

The Explorer Visited 150 locations.

Supernova Get 3 stars on each of the first 14 Echoes

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

I Come in Peace Slap every alien creature at least once. I suppose that counts as "first contact".

That's One Way to Do It... Destroy an airborne enemy helicopter with a Mortar Strike

Joining the Pack A lone wolf is strong, but they're far more fearsome if they have a pack to call their own. So go on—try making some friends!

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

Solitude Obtained the almighty power of sovereignty.

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

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

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

Good Father Collect all robot pieces

Golden Idol Perform every Single Player Skillshot in the game

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

Firestarter Get jailed in Skalitz.

High Score Score 800,000 points in one game -- with Game Settings set to Hardcore.

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

The Philanthropist Gave 50 presents.

Enabler Get 4 kills or assists with a single use of Ana's Nano Boost in Quick or Competitive Play.