CornaDacob

Monster Masher Kill 20 monsters in Story levels

Pacifist Complete a chapter without firing a gun

True Understanding Complete all Legends Mode stories on a single difficulty.

Complete Victoria's Lab Complete the main path of Victoria's Lab

Flawless Freeflow Fighter 2.0 Complete one combat challenge without taking damage (any character)

Chapter 1 Complete Complete Chapter 1 in story mode

Welcome to Nam DLC Vietnam: Get back your gear at the helicopter crash site.

Frozen in Time Kill 50 Necromorphs while they are in Stasis (single player only)

Mortal Coil Shuffler Extraordinaire Accumulate 20 deaths in one Story level

Bloody Bar Brawl Sneak Kill an enemy after hitting them with a bottle.

Team Creator Build and save a level with more than one player with the thermometer more than 30% full

Complete The Factory Of A Better Tomorrow Complete the main path of The Factory Of A Better Tomorrow

Lightspeed de Milo Dismember the Lightspeed Boy Statue

...And Stay Down Kill 25 crawling enemies with Stomp (single player only)

Chapter 2 Complete Complete Chapter 2 in story mode

Going for Distance Impale an enemy and make him fly through the air for 17 meters - it must stick to the surface

Complete Avalonia Complete the main path of Avalonia

Prize Collector Collect 50% of Story prize bubbles

Free flowing String together the following: wallrun, jump, speedvault

DLC: Mars: Welcome to Mars Reboot the Terminal on top of the Control Center Antenna.

Complete Eve's Asylum For The Mentally Alternative Complete the main path of Eve's Asylum For The Mentally Alternative

Silent Kill Kill 5 enemies in a row with a sneak kill without being discovered.

Storyteller Have 12 murderous dates with Calendar Man

Chapter 3 Complete Complete Chapter 3 in story mode

My Best Friend Completely upgrade one weapon.

Leave no one behind DLC Vietnam: Free the 3 US prisoners of war (Host only).

Wendell's Story DLC Vietnam: Complete the game (Host only).

Lawnmower Man Kill 4 enemies with the same Ripper blade

Talk To The Hand Use the Auger force barrier to stop 150 incoming enemy shots in the single player Campaign.

Silent Death DLC Vietnam: Perform 25 stealth kills while you have the 4 survival instinct tokens.

Ammo Conservationist Kill 25 enemies with melee attacks.

Peek a Boo! Kill a Stalker with the Seeker Rifle while in Zoom Mode

Necro Flambé Kill 50 enemies using the Flamethrower

Chapter 4 Complete Complete Chapter 4 in story mode

Shock Therapy Impale an enemy with the Javelin Gun and use its Alt-Fire to shock 3 others (single player only)

Make them count DLC Vietnam: Kill a total of 25 enemies with airstrikes (Host only).

It's a Trap! Kill 20 enemies with Detonator Mines in a deployed state

Complete Story Mode Complete the main path of the story mode

Expert Creator Complete all levels in the Tutorials

Self-Actualized Reach rank 20 in any role.

Think Fast Kill 30 Necromorphs with Kinesis objects

10 Minutes of Create Spend 10 active minutes in Create mode

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

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

Chapter 5 Complete Complete Chapter 5 in story mode

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

One Man Army Kill 400 enemies.

The Sampler Platter Kill a Necromorph with every Weapon in the game (single player only).

DLC: Mars: Slimy Death Hit 10 Arachnids with Crabmones.

Lost Property No crimefighter should be without this