Killahead

The Guillotine Kill Isaac with Judas

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

Boom! Defeat 5 foes at once using the War Horn.

The First One is the Hardest Get your first 1,000,000+ combo

Survivor Arcade/Planet Mode - Complete a planet without dying

Don't Push Me Get the First Blood bonus in a Knock Out event

Vengeance Killed 5 Mathusians with fire or electricity.

Golden God You are the best!

Feel the Beat, Y'all! Complete "Feel the Beat, Y'all!" challenge

Judas' Tongue Kill Satan with Judas

Don't make me pull the trigger! Survive for 5 minutes in Demolition mode

Fully Automatic Hit the same driver three times with a 3x Ricochet Bubble

Chain Gang Killed 2 Malthusians within a timed chain attack.

Can you dig it? Complete "Can you dig it?" challenge

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

Favorite Clear all missions of any rank consecutively using the same gun parts.

Thanatophobia WITHOUT using the Architect, complete the game dying 15 times or less

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

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

The Coin Bag Kill Isaac with Cain

Platinum strain You have it all!

Shelf Promotion Fill your career trophy cabinet

The River Complete "The River" challenge

Mode master Win an online game of every mode in every difficulty at least once.

The Most Famous Hedgehog in the World Have your photos taken in Studiopolis Zone

Worth Every Penny Acquire 1000 credits in one month.

Nemesis Complete "Nemesis" challenge

World Beater Get an online form of 1.

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

Let the Dog Out Complete "Let the Dog Out" challenge

Think fast! Finish trial #8 with at least 52 seconds left on the clock.

No Damage! Finish any Stage without taking damage.

Another Dimension Collect 2000 worth of gold lying on spikes, while using the Phase Locket.

ARCHIVIST Collect all documents

Head Trauma Use every type of melee weapon on a zombie

Untouchable Emissary Reach the end of the game without a game over.

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

Old School Play a 2,3,4 player split screen local game

Don't burn yourself out Defeated the Keeper

Career 100% Complete 30 different championships in your career

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

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

Tailor-made Chose a perfectly fitting armor

Doctor Heal over 500,000 hit points.

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

Blood Rights Kill Satan with Samson

Save some room Finish trial #20 one unit below the zapper.

Man Locked Up Complete "Man Locked Up" challenge

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

Geomtastic Earn a multiplier of at least 1000 on any level in Adventure Mode