DADYBOOM2

Clear Signals Unlock every ctOS Tower

Like A Bat Outta Hell Defeat Tiamat

Vengeance Complete Act 4

Don't Make Me Angry Collect the Chaos Form Ability

Fully Researched Rosie Fully research the Rosie

Slayer Kill 666 Demons
0/666

Mental Athlete Solve 70% of Riddler challenges

BOOKWORM Find every single magazine in the game

Log Off Complete Act 5

Feelin' A Little Stabby Kill an enemy, knifing them with a gun blade.

I'LL BE BACK Connor died and returned at every opportunity before reaching the end

Communication Breakdown Clear the airwaves

DETROIT MASTER Collected all trophies!

Fully Researched Nitro Splicer Fully research the Nitro Splicer

Gladiator Last man standing

Lucky Winner Hit the jackpot at a slot machine

One Tough Cookie Meet Ulthane

Fully Researched Little Sister Fully research the Little Sister

Blessed Select a Standing Stone blessing

Wrecking Ball Stop the unstoppable

Irony The player has taken a picture of Sander Cohen's corpse

Who's Counting? Defeat more angels than Ulthane

Tremor Bringer Collect the Tremor Gauntlet

Free Radical Escape a level 5 police chase

Five Fully Upgraded Weapons Fully upgrade five weapons

Riddle Resolver Solve 85% of Riddler challenges

Enforcer Use the Crime Detection System to take down 20 confirmed criminals

Rocked Your Face Off Defeat The Griever

An Old Friend Collect Mercy

Time Lapse Gain the Chronomancer Ability

Hello, Friend Use the Oath Stone of Orkos in Combat 10 Times

Mano-A-Mano Defeat Titan henchman without using Batarangs (any play mode)

Lost And Found Uncover the secret of Arkham City

Florida Man Down yourself by grenade or explosion.

Fully Researched Bouncer Fully research the Bouncer

Sandstorm We are legion

NOG It Off Complete mission "Hostile Takeover".

Reunited Obtain Ruin

Ashes to Ashes Defeat The Stygian

Hide And Seek A deadly game of hide and seek

River of Blood Shed 3000 gallons of demon blood
0/24000

Magic Smoke Kill 4 enemies within a single instance of Focus

Reach Out And Touch Somebody Collect the Abyssal Chain

Swinger Ring out an enemy with the Club

Crack The E Nigma Solve every riddle on the island

One Mean Mother Defeat Silitha

Sanity Check Collect all 8 Burner Phones

World's Greatest Detective Spirit of Amadeus Arkham revealed

Into the Void Collect the Voidwalker

Ghost Train Fight for survival