Buckwheat

Shattered - Destroy all glass in the Labs Destroyed all glass panes in the Stahl Arms South laboratories

Globetrotter Discover 100 locations.

What a party! Collected 3 panties, 5 fish in a bag, and 15 pizzas

I Welcome Your Attack, Fool Completed the Badass Round without going into Fight For Your Life.

How's It Hanging? Clean up the Dry Docks

The Healing Touch Earn a Heal Master Boast 3 times

Plant Perfect As a Plant, Achieve a Perfect Win in Gardens & Graveyards

Stick it to the enemy Survive 15 consecutive waves using the analog combat controls.

Run and Gunner - Kill 3 Helghast with one burst of assault rifle fire Kill 3 Helghast using an M82 or StA52 assault rifle without releasing the trigger

Short Out Defeat the Stalker in under 60 seconds

Bull in a China Shop Freeze and melee kill 3 Ravagers

Dial B For Bomb You unlocked the special ability of Packie's car bomb placement.

Lights Out! In 'Black Cats', blast out all of the spot lights in the Japanese cargo convoy. (Solo only)

Welcome to Shibuya STU: Acquire at least one SHIBUYA♡HACHI stamp.

"Gonk? Gonk!" Capture three droids in a match of Droid Run

Ding! You took a little elevator ride.

Bringing the Pain Defeat 50 players using physical attacks in Versus.

Nothing But Net Score a basket by lobbing a grenade through a basketball hoop

No Teleporting Allowed As a Plant, Destroy a Teleporter in Gardens & Graveyards

Fireworks Use the Wildfire secondary fire to kill 6 enemies in one shot

Boom Stick Use the upgraded Rossmore secondary fire to set 6 enemies on fire at once

Cleaned The Mean Streets You caught 20 criminals through the police computer.

Complete a set During a single round kill an Infected, Suicider, Ram, Butcher, Floater, Walker.

Twice Nightly Complete New Game Plus

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

Kamikaze Complete a level on Regular difficulty or higher using only melee or grenades. (Solo only)

Kill Your Darlings You put your imagination in its place.

Roops! Knock a Hybrid off the cliffs in Mt. Pleasant, PA

The Last Laugh The joke's on who?

The Astral Plane As an Engineer, Build 3 Teleporters in a session of Gardens & Graveyards

Sub Machine Gun Storm Campaign: 50 kills with sub machine guns

A tremor in the Force Play once as all the different heroes in the original game (Multiplayer)

Completionist Completed all missions in Secret Armory

Striking First Earn a 1st Strike Master Boast 3 times

Part III Complete Complete Part III Of The Story

For Close Encounters Get 10 one-hit head-shot kills with the shotgun in the single player Campaign.

Shot in the Dark Kill 10 enemies while the lights are out in the subway in 'Eviction'.

Master Mechanic Fully upgrade all weapons in Campaign Mode

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

Toast Use the upgraded Deadeye secondary fire to kill 2+ enemies, 5 times

It's Raining Cats and Hotdogs Completed a round using the Mutator.

Hole In One Push the Golf-Bomb into the Hole in Cactus Canyon

Chain Reaction You exploded 10 vehicles in 10 seconds.

Hell-Burbia Completed the larger challenge in the Hell-Burbia coliseum

Architect Complete 'Vendetta' on Veteran difficulty. (Solo only)

Electric Avenue Use the EMP to take down 25 drones

Into the Den Complete story mission 6.

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

A Just Cause Complete story mission 7.

Silent Partner Damage the same enemy in Cooperative Mode for 100 kills