Hecatom

Superior Completion Skillz! Finish the game!
"Congratulations! Thanks for your hard work!"

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

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

Phantom of the Opera Kill 4 players with one Chandelier

Down We Go (II) Clear Floor 8 of the Spiral Abyss.

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

Thank-mew Letter Awarded for hiring 50 Buddies.
We a-purr-eciate your
fur-iendly patronage!

Raksha Research Initiate Upgraded to Defense Level 3.

Chatterbox Sometimes, after you've found a discovery point or when you're at a save point, you have the opportunity to press L3 to initiate a conversation between your companions. This is proof that you've experienced many Things and had a lot of Opinions about them.

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

To the Victor Go the Spoils Reclaimed your items from the scavenger who stole them from you.

You Can Pet The Dog Pet a Hellhound in MWZ

I Had No Choice! Wrong time wrong place

No More Fears Defeat your fear

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

Hunger for Justice Win 5 All You Can Eat Matches

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

King of the Dead As Black Panther, land a 3-player KO streak in the Intergalactic Empire of Wakanda: Hall of Djalia.

Harpy Joyride Summoned a harpy, grabbed hold, and took flight.

Heavy Ordinance Specialist Destroy 50 Aerial Scorestreaks with Launchers in Multiplayer

Kung Fu'd It Win 5 King of Kung Fu Matches

Headshunter Defeated a hydra or archydra.

Into the Manse Entered the duke's manse.

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!

Joey to the world!! Finish a Match with JOEY

Farewell, Punklorde! Complete the Companion Mission "Punklorde Mentality"

Don't Drink Too Much, Okay? Order another glass of alcohol.

Ultimate Collector Find all treasure.

The Man Shadowing the Village "The Two Uchiha" cleared.

Karmic Wheel Let the Higher Existence that lives within our hearts sigh at you ※ Find a way to use up your Praise of High Morals

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

Woah! Earn all the other trophies.

The Queen's Delusion Stopped the Serpent Queen from sealing her citizens away from the world.

Legendary Hero Reach Reputation 5 with any Hero.

Super Combo! Did a 50 combo attack.

Child of Darkness and Flames Defeat Angra Mainyu without taking any damage while controlling Proto Bahamut in Chapter 8 of the main story

Do you hear me!? I'm the best that's ever been! Send a stamp. The heart of Pro-Wrestling is to entertain others, so you're now a pro wrestler too!

Closing the Experiment Log Earn ALL of the platinum Flashback Relics

Like Killing Ants Kill 5000 soldiers.

AMG Completionist Gain all stars in 'AMG'.

One Down! Win in a Ranked Match.

Slow and Steady Win an action race without using any boost, or using a boost pad

It's a Trap! Kill at least one zombie with three different traps in a single round. (Map Pack 2 only)

Flying pan Kill enemy by ricocheting bullet off frying pan

The One Standing "The Far Reaches of Hope" cleared.

Push It to the Limit Raise a character to level 100

All Trophies Get all trophies.

Indomitable Will Attempt to move an immovable block twice in a row. (Golden Playhouse only)

A Fighter is Born Complete all lessons in Tutorial.

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