FlossyTheSheep

Short Circuit Destroy ten enemy robots that have been disabled with an EMP emitter.

Barrel of Death - Kill 3 Helghast using your environment Kill 3 Helghast at once using the surrounding environment

Killer Instincts Completed Chapter 3 of Episode 6

I Don't Speak Kreon! Complete Act 3 without using mission select.

The Science of Deduction Completed Chapter 4 of Episode 6

From the Ashes Completed Chapter 5 of Episode 6

Elementary, My Dear Jesse. Completed Chapter 6 of Episode 6

C-Section Knock down an enemy with Contact Beam Alt-Fire then kill it with Primary Fire before it stands up

Sorry I Made You Wait Save Jill from confinement using Chris.

Think Fast Kill 30 Necromorphs with Kinesis objects

Two Birds with One Stone Destroy two or more enemy robots at once with the LFE gun.

You Must Defeat Shen Long Defeat Xi Wang Mu

Fourth Boss Beat the fourth boss.

Close Encounter Kill 10 alien Necromorphs.

Chapter V Gain access to the Vampire Castle

Completed Grounded Mode Plus Completed Grounded Mode Plus

Skewered in Space Impale an enemy into a Decompression Window to cause it to blow out

First Step Complete your first mission in Jimmy's Vendetta.

Land 5 Island Mega Jumps Awarded when you successfully land your 5th Island Mega Jump

My Boom Stick Kill 6 enemies at once with Line Gun's Alt-Fire (single player only)

Fighting Words Completed Chapter 1 of Episode 7

Get Up, Mr. Bubbles! Score an Aerial goal while playing in AquaDome

Worked Like A Charm Enchant an item and upgrade the enchantment to Tier 3.

Mining for Trouble Completed Chapter 2 of Episode 7

Bakugami Learn how to use Cherry Bomb.

Trust Falling Completed Chapter 3 of Episode 7

Escape water Quite a sprinter!

Where there's life, there's hope Revive a fallen ally.

Bounty Hunter Get a total of 50,000 BP.

The Plot Thickens Complete Pumpkin Pastures and Soggy Swamp.

Ghost in the Machine Completed Chapter 4 of Episode 7

Offline Mode Completed Chapter 6 of Episode 7

Breaking and Entering Completed Chapter 5 of Episode 7

My Way Complete Act 4 without using mission select.

Player's Player Find and pick up every fish, paintbrush and cocktail umbrella on your journey.
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Master Conductor - Electrocute 3 Helghast Electrocute 3 Helghast with a single burst from the VC5 Electricity Gun

Let the Games Begin Completed Chapter 1 of Episode 8

Bronze Revenge Obtain 24 medals on the original Arkham City ranked maps (as Batman)

Dragon Slayer Defeat the Armored Dragon Stage 2

Adrenaline Rush Manually trigger AR Mode and destroy three enemy robots in a row.

Playing for Keeps Completed Chapter 2 of Episode 8

Aerial Superiority - Kill 5 Helghast while in the air Killed 5 Helghast while airborne using the Jetpack

To the Victor Go the Spoils Completed Chapter 6 of Episode 8

Gaming the System Completed Chapter 5 of Episode 8

The Most Dangerous Game Completed Chapter 4 of Episode 8

Challenge: Accepted Completed Chapter 3 of Episode 8

That Was Nice of You Save Rebecca from a Hunter.

Chapter VI Leave the Refectory with the Butcher's key

Never Saw It Coming While invisible, used Peeping Tom to knock out 15 enemies with a melee attack.

Romanov This! Destroy a Romanov with a melee attack.