Samillus

Young Ognathologist (Ognadae Ognadae) Get a good look at an Ognapod.

Perkaholics Anonymous! Survive until round 20 without buying a single Perk. (Map Pack 3 only)

Dark Room Beat the Dark Room

40 Knives! Kill 40 zombies with the bowie knife. (Map Pack 3 only)

Walk Without Rhythm Dismantle the Destroyer.

All Star Get 100 Stars in S.T.A.R. Lab Mode

Thirsty For Blood Defeat the blood thirsty monster.

Around and Around We Go Perform every level interaction once

Guardian Angel Kill Satan with Maggy

Friends with Death Die 100 times

The Relic Kill Isaac with Maggy

Kerouac Has Nothing on You! Take down all of the barriers
blocking the main road.

Snitch Called in for backup

Campaign Kitty Obtain all 108 medals on the original Arkham City campaigns (as Catwoman)

Finish Him! Eliminate SCORPION.

Soul Survivor Reach round 15 in Nazi Zombies without getting revived. (Map Pack 2 only)

Frequent Flyer! Use the teleporter 8 times. (Map Pack 3 only)

Beware the Words of the Mad... See all of the endings of
Pandemonium of the Oboro Blade.

The Bomb Bag Kill Satan with Cain

Hack Hack an enemy.

In the Belly of the Beast In Zetsubou No Shima, survive getting consumed.

Blast From the Past Find an homage to what has come before...

Cloud Nine Eliminate all High Value Targets.

But I Only Have Two Hands! Equip Descent into Misery, The
Threads of Fate, and Oboro
Muramasa.

Brick by Useless Brick Solve your problems peacefully

You Died Alot Get killed by Jason 100 times.

Homicidal Kill the guide, you monster.

Der Meisterbogenschuetze In Der Eisendrache, obtain all of the ancient bows.

Taking Flight In Gorod Krovi, ride a Dragon.

The Guillotine Kill Isaac with Judas

Groceries That's one way to stock your fridge

Double Vision Trounce the Twins.

13-Star General Obtain all Bronze, Silver, and Gold trophies in Unit 13™.

Golden God You are the best!

Judas' Tongue Kill Satan with Judas

Chimp on the Barbie In Ascension, kill a space monkey with a fire trap.

The Coin Bag Kill Isaac with Cain

Wired Up Place 100 wires.

The Sacrifice Completed Ending Two

Jungle Man Survive 45 years in SURVIVAL.

Gotta Catch'em All Collect all secrets.

A New Hope See all of the endings of Ninja
Scroll of the Demon Blade.

Smell You Later The punks are spooked and refuse to help you in your final quest

I came in like a Resogun Accumulate a total Wrecking combo of 1,000 in Demolition mode

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

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

Making mountains out of molehills Kill 100,000 enemies.

Blood Rights Kill Satan with Samson

Prime Directive Shatter Skeletron Prime.

Apprentice Complete stages 1 to 4