TheMicroManiac

Serving Science Finish quests for Dr. Kessler

Paid in Full Completed Burial at Sea - Episode 2.

Pop it! Burst the balloon at the end of Robots Rescue (playing alone or with a friend).

Wave and Smile Play any Arena in co-op.

Hand To Hand Master - Kill 50 Helghast using Brutal Melee Killed 50 Helghast using Brutal Melee

Stealth Fighter Defeated 20 enemies as Stealth Knack and completed the chapter

Twins Kill the Twins

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

Trade Secret Trade In five items of the same quality to receive an item of the next-highest quality

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

Chapter II Get the Dark Gauntlet

Reaver Reached Level 8 with Bad Karma

The Collector Find 50% of collectibles

Sleeping with the Fishes Complete Mission 9 (Any Difficulty Level)

Life Begins Reach Driver Level 30

Night Terrors Complete "Lost in Nightmares" on Professional.

Wild in Wilderness Complete Forlorn Wilderness

Zombie Hunter Kill 10 000 Zombies

Lawnmower Man Kill 4 enemies with the same Ripper blade

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

Mercenary Reached Level 8 with Neutral Karma

Took the Highway Complete Mission 10 (Any Difficulty Level)

Titanic view Find the Titanic View.

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

Jetboat Kill 100 monsters using the boat's speed boost

I See You Kill 50 enemies through solid matter with the Auger in the single player Campaign.

Sith Lord Frenzy Get a Frenzy x12 bonus

Are you scared, yet? Scare 200 enemies.

Big Game Hunter Defeat a Marauder in the single player Campaign.

The Long Halloween Wayne vs Crane in New Story +.

Pearls in the Mud Open 5 GRE chests in Quarantine Zones

New Power Unlocked an upgraded Knack

Tropical paradise Visit Basto

One Each - Kill 3 Helghast with Shotgun Pistol, no reloads Shot and killed 3 Helghast using the Shotgun Pistol without reloading or switching weapons

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

Chapter III Acquire the power of the first Dark Lord

Mechanical Menace Complete "Mechanical Menace"

Out of honey? Chew bees! Survive 5 waves using only your fists and legs.

Sneaky Little Buggers Killed each of the loot midgets

Harbinger of War Reached Level 14 with Bad Karma

R.I.P. Jordan Shepherd Defeat Daedalus; complete the single player Campaign.

Chapter 4 Complete Complete Chapter 4 in story mode

Power Spike - Nail a Helghast to an exploding object Used the Boltgun to nail a Helghast to an exploding object

Necro Flambé Kill 50 enemies using the Flamethrower

Dragonslayer - Destroy the ATAC within 1 minute 30 seconds Destroy the Salamun Bridge ATAC in under 1 minute 30 seconds

Brutality 101 Perform 15 different combat moves in one FreeFlow.

Assassin's Greed You completed all 9 assassin missions.

Extreme Firefighting Set 5 enemies on fire and then kill them with explosives.

Sinking to New Depths! Find the lowest point in the world.

Epidemiologist Cold Darkness Challenge: Complete Cold Darkness