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Flash ah aaaahhh! Successfully resolve 20 Flashpoints.

Climbing the Corporate Ladder Survive until round 25 in Infection.

For the Fallen Recover all 33 COG tags (on any difficulty)
17/33

Old school Complete a level using only pistols

Born Survivor Successfully survive and escape in Survival Mode.

The Final Descent In The Frozen Dawn, enter the lost city of Thule.

Why We Fight - Guerrilla Complete chapter 1 on the Hardest Difficulty in the Single Player Campaign

Still Not a Janitor Hear the Custodian's Confession

The Last Hope Revive teammates 10 times in Co-op or Versus.

DOOM II Reach the end of 'DOOM II'.

Throw a Dog a Bone In Blood of the Dead, feed a wolf head from the Gondola, Citadel, and Model Industries in a single game

Objectively Good Capture an objective, build both fortifications and unlock both perks

It's a trap! Kill 10 KPA using Resistance traps.

Nah, I'm Good. Reach round 7 without anyone opening a door in Descent.

Born Scavenger Complete Scavengers Odyssey Part 2

Ladder Master Complete Arcade Ladder on max difficulty without using a continue

Payne In The Ass Story Complete [HARDCORE]

Abandon Ship In Voyage of Despair, complete the Trial

Up close and personal Silently take out 3 VC.

Va'erä Ramunong Clean Sweep Complete all Sector Challenges in Va'erä Ramunong.

I Can't Quit You Dom Complete all acts in co-op (on any difficulty)
10/36

Sneeky Incursion Destroy the Boss without opening more than one outer door. Only 1 of the 3 outer doors may be opened to any degree.

DC Arcade Champion Complete Arcade Mode with all DC characters

Most Wanted Reach reputation level 100.

B.O.T. Find the Good in the Prototype

Life Preserver Increase your life total to 30 or more in single player, or 60 or more in Two-Headed Giant

Slingshot Kid Destroy all slingshot targets in 3 attempts.

Subzero Hero Obtain clothing to get a survivable temperature rating of -22°C / -7°F.

Clarity Crack the code.

No Rest for the Living Reach the end of 'No Rest for the Living'.

Phantom in the Hull Reach level 18 in survival mode.

The Doctor is In Use PhD Slider to fall 10 feet and kill 10 zombies at once

We've Only Just Begun In The Tortured Path, successfully escape from Into the Storm.

The Story Ends Complete Campaign Mode on Normal difficulty

Sigil Reach the end of 'Sigil'.

Master Levels Reach the end of 'Master Levels for DOOM II'.

Most Escape Alive In Blood of the Dead, escape

Swept Off The Feet Kill 5 enemies while sliding in Versus.

The Collector Buy every weapon off the walls in a single Zombies game.

Abandon All Hope Rescue 4 survivors in a single game of Infection.

Hugs! Kill 20 enemies in a single burst of Explosive Touch in Carrier.

Stand Down Complete the campaign on any difficulty.

A Well-Trained Dragon Blow up another player with a ridden Dragon fire ball

You Found Me! Discover and fight Hidden Kombatant 1 in Arcade Ladder

Tough Economy Use no more than 6 TOW guided missiles to destroy the tanks in the defense of Khe Sanh.

Ghost Town killer Finish 'Ghost Town' on Insane

Zombie Fanatic In Blackout, unlock Bruno, Scarlett, Diego, Shaw, Dempsey, Takeo, Nikolai and Richtofen

This is our town, Nork Capture all Strike Points.

Right of First Defusal Defuse 5 gas bombs in a single match in Carrier.

Cold Warrior Complete "Operation 40," "Vorkuta," and "Executive Order" on Veteran difficulty.