ABAPMonkey

Velocity Completionist Gain all stars in 'Velocity'.

Evolution Completionist Gain all stars in 'Evolution'.

Light's Will Defeat Armor of Eraqus.

Infinity Defeat Dr. Infinity

Hey, Catch! Throw and hit an enemy directly with a Flammable Cannister then blow them up with it

Der Meisterbogenschuetze In Der Eisendrache, obtain all of the ancient bows.

Still counting Attain a Time Trial star rating of 50

Bulldozed In Ground Control, crush 25 enemies while driving the tank

Victör Won a ranked multiplayer match

Shot Blocked Shoot the gun out of the air in 'Flashpoint' before a terrorist catches it

Got Your Back Revive your Co-Op partner 10 times.

Discriminating Buyer Use exactly one of each care package in the "Special Delivery" Special Ops mission.

Zombie Genocide Master Kill 72,000 zombies

In Seventh Heaven Reached overall happiness of 77

High Score Score 800,000 points in one game -- with Game Settings set to Hardcore.

The Warrior: Ventus Learn all of Ventus's Finish Commands.

Torque Completionist Gain all stars in 'Torque'.

Chapter 2 Speedrun Complete a Speedrun of Chapter 2 below the target time.

Lights Out Complete the "Light 'Em Up" Special Ops mission on Veteran difficulty.

Chapter 4 Speedrun Complete a Speedrun of Chapter 4 below the target time.

I Call Shotgun! Drive a vehicle with a Sentry Gun on the back and have it kill 5 enemies

For Science! Researched all technologies at least once before the year 2005 in a single game

Chapter 3 Speedrun Complete a Speedrun of Chapter 3 below the target time.

Helpful Stranger Revive a player from a different Squad in MWZ

Two's Company, Four's a Party Complete any Adventure level with 4 players.

Chuck Greene: Cross-dresser? Change into all pieces of clothing in the game

Darkness's Will Defeat No Heart.

Chimp on the Barbie In Ascension, kill a space monkey with a fire trap.

Deliver This Complete the "Special Delivery" Special Ops mission on Veteran difficulty.

Positive cash flow Complete a Financial objective in Career Mode

Friends With Benefits Had relations higher than 90 with all factions in the Modern Era

Tag, You're it! Use the Spotter Scope to tag 60 enemies or items in Open Combat Missions

I Challenge You to a Duel Complete a Medieval level using only Lou Don Jim

2-fer Using the EBR-14, kill 2 enemies with 1 bullet 5 times in 'Payload' without sounding the alarm

Elevator Out of Order Reach the roof in 'Highrise' under 45 seconds

The Boss Beats A Boss Defeat a boss using only President of Sony Computer Entertainment Worldwide Studios Shuhei Yoshida

Flyswatter Destroy all helicopters in the "Vertigo" Special Ops mission.

Chapter 6 Speedrun Complete a Speedrun of Chapter 6 below the target time.

Gravestone Kill 100 Zombies with a vehicle in a single deployment in MWZ

Pinnacle Complete the "Vertigo" Special Ops mission on Veteran difficulty.

Making mountains out of molehills Kill 100,000 enemies.

Time's Teller Defeat the Unknown.

Head Trauma Use every type of melee weapon on a zombie

That Party was Ace Ace every Adventure level in The Journey Home.

Deadhead Get 150 zombie headshots in a single game. (Map Pack 2 only)

Back in the Field Acquire the Major's keycard in 'Deep Cover' within 90 seconds without being detected

Nightwing Revenge Obtain 78 medals on the original Arkham City and Nightwing Bundle Pack ranked maps (as Nightwing)

Chapter 5 Speedrun Complete a Speedrun of Chapter 5 below the target time.

Robin Revenge Obtain 78 medals on the original Arkham City and Robin Bundle Pack ranked maps (as Robin)

To Jugger or to Jugger-Naut Kill all juggernauts after they land on Veteran difficulty in the "Vertigo" Special Ops mission.