Halmat

From the Jaws Save your Co-Op partner from an execution by killing the attacker.

Who's The Boss? Defeat the Skrendel Brothers.

Every Woman for Herself Finish the game without saving anyone using Jill.

Career Criminal Attain 100% Game Completion.

The Languages of Pao Attain ‘Interpreter’ status in Words Collected

Oversight Become Overseer

Blood Master's Trophy Obtained Best Weapon by Suckerstone

A Dominating Presence In multiplayer, boost 100 allies with the Officer commands.

Cold Fusion Unlock Hidden Fighter "Cyber Sub-Zero"

Meat and Greet Complete mission “Enter the Psychoscape”.

It's a Wash Complete mission “The Name of the Law”.

A New Hope Play every multiplayer game mode in the original game

The Stars, Like Dust Attain 'Trailblazer' status in Space Exploration

Skilled Clear any mission (including Side Ops and Extra Ops) with a S-rank

Swiped clean! Save all the Teensies in one world to win a Diamond Cup

Silver Revenge Obtain 48 medals on the original Arkham City ranked maps (as Batman)

Undiscouraged Complete the first Thermal Discouragement Beam test

I Had To Put Him Down Kill a Caragath with an Execution.

Stack() Create a Function combination requiring 12 MEM.

Congratulant's Trophy Obtained Best Weapon by Faintstone

Meet Cypher's Edge Max out the Hit Meter 25 times

One for the Books Complete the Game Records section of the Gummiphone.

Time Out Assign a settler to a pillory

Untouchable Complete a Chapter without losing any health.

Counterintuitive Perform 20 Counter Attacks.

Shade Master's Trophy Obtained Best Weapon by Cloudstone

Spread The Love - Kill 5 Helghast at once using the WASP's secondary fire Killed 5 Helghast at once using the secondary fire mode of the WASP launcher

They Go "Boom" Get 30 kills with the Magnum secondary fire in the single player Campaign.

Hardest Battle In The Game Defeat Dr. Giblets.

A Night in 1849 Visited the past

Silverback Destroy a total of 10 Mastiffs during story mode.

What Doesn't Kill You... In story mode, successfully parry 10 attacks in a row in one minute or less.

Poison Master's Trophy Obtained Best Weapon by Mercurystone

Miss Me? Meet Adam.

Locked and Loaded Develop 300 or more development items.

Elevator Action Knock off every Tripod during the Elevator Sequence

Getting Off Track Complete mission “Off the Rails”.

Don't Mind Me While using Aether as Colt, kill 3 enemies without alerting nearby enemies.

Do. Or Do Not. There is no Try. Play as all launch heroes in Multiplayer.

File R-03: Status - Closed Complete File R-03: Mile High.

I'm ahead! Beat one of your friends' scores in a Challenge

Dare() Complete five encounters with five or more Limiters in use.

Synthesist Complete the Synthesis section of the Gummiphone.

Black Market Burglar Rob a black market shop

Solid Gold, Baby! Earn any 70 Gold Medals on Missions, Strangers and Freaks.

Bring 'em to Justice Capture all warrants alive in single-player

Corporate Warfare Protect a client's interests by performing a less-than-hostile takeover.

I Can See Through Time Meet Kupuna-Wa

Limiter() Unlock every Process Limiter.

Eureka! Give poor Ron the perfect idea for a date