HalStep

Factory Zero You survived Hei Zhen Zhu and RBS using no Praxis kits, weapons, grenades or mines. Whoa.

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

Burgle Burgle Burgle Steal 10 kills from a teammate in Outbreak.

Like looking through a wall Manage to disable three guards, or more, inside a clone's smoke bomb

Death of Comedy Use every type of novelty weapon on a zombie

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

Grey Fox Never get caught in a single run through of Under Pressure.

Peace in our time Successfully complete a Resistance Mode mission on normal difficulty.

Perfect 10 Pigsy's Perfect 10: Finish the Shooting Gallery under 40 seconds without shooting any pin-ups.

Four Birds, One Stone Pigsy's Perfect 10: Kill 4 Mechs with 1 Bomb device.

Deer in the Headlights Stab five stunned enemies in a row in the "Light 'Em Up" Special Ops mission.

Focused Killer Perform 80 Focus Aim kills

Bubble Boy Block 1000 shots with Shield power in a single player campaign.

Demolished Kill 100 enemies with explosive environmental objects in campaign mode

Some Muscle Hire a mercenary

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

Like the back of your hand Reach 100% exploration on one REGION in Alps

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

Ramped Up! Complete a Getaway Activity in a Car Transporter

The legend was not enough Reach the LEGEND rank in 3 different fields of expertise

Iron Mode Complete the game in Iron Mode.

Beast Master Rode every animal in the world

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

You're Not Worthy As My Opponent Breach: Send 3 Challenges.

Smooth Criminal Defeat Lady Meowmalade without getting hit.

You know you're REALLY Insane, right? Complete the entire main campaign on Authentic Plus difficulty

Six Degrees of Schafer Play with or against another player who has this Trophy

The Specialist Learned all the skills of a single vocation.

Armchair General Won a stage battle by yourself against the AI without attacking

Gran Turismo Rally Complete the "Gran Turismo Rally" Special Event.

Stunning! Pigsy's Perfect 10: Stun 5 enemies using one single EMP device.

Safari Tour Play at least one full round in every Official Map (Ranked Match)

Freedom Escaped the yoke of eternity.

Mercy Dealt the blow of deliverance.

New Superpower Complete all China Rising Assignments

Dream Race Win the ultimate three-way showdown between a Ford Mark IV Race Car, a Ferrari 330 P4 Race Car and a Jaguar XJ13 Race Car.

Sub Zero Complete the "Arctic Recon" Special Ops mission on Veteran difficulty.

Robin Hood Kill a KPA soldier with a crossbow bolt from over 50 meters away.

Burgertown Escort Service Rescue 1 survivor in Infection.

Closure Put an end to all things.

Everyone fights, no one quits Revive 10 downed teammates over any number of Resistance Mode missions.

Just Like Old Times Dispatch the professor with a shot to the groin.

Victör Won a ranked multiplayer match

… and you shall find Find and unlock 110 Drop Zones in Alps

Better than the Best Complete the entire campaign on Authentic Plus difficulty with no manual saves

Duct Tape FTW Create all combo weapons

Last Blood At the end of Guns of Stygia, kill all the enemies on the walkways before the explosions do

Sébastien Loeb Rally Challenge Complete the "Sébastien Loeb Rally Challenge" Special Event.

Hoarder Have a total of at least 150,000 points in Echoes Mode's total high score

Salute Me Achieve the rank of Lieutenant.