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Frag Out - Kill 3 Helghast with 1 Frag Grenade Killed 3 Helghast using 1 fragmentation grenade

Brick in the Wall Complete Brick in the Wall in Campaign on any difficulty.

Collector's Item Complete one of the Collectable strands.

Jungle Ghosts Finish the mission without breaking stealth.

Frazzle Dazzle - Kill 3 Helghast with one shot from the StA5X Arc Cannon Used the StA5X Arc Cannon to kill 3 Helghast with one shot

Captain's Log Use the computer in the Captain's office.

One Shall Stand, One Shall Fall Earn the right to take on eight-star assignments.

Redlight, Greenlight Complete Redlight, Greenlight in Campaign on any difficulty.

Power Changes Everything Completely upgrade your Exo.

Wheelman Finish the hoverbike sequence without hitting any walls or obstacles and taking no damage in "Aftermath."

Piece of cake Storm the common room and kill everyone without taking damage on veteran.

Echoes of a Cold War Complete Echoes of a Cold War in Campaign on any difficulty.

Jack of All Trades Get five kills each with an LMG, SMG, AR, and Shotgun.

Gear Up Find your first equipment upgrade.

Sawn Off - Destroy all chasing APCs Destroyed all chasing SawBlade APCs in the Senlin Beach section

Face Off Complete the mission "The Fall of Nakayama".

Paying Respects Find the graves of each of your fallen companions.

Gonna Need More Closet Space Unlock All costumes in the Archives

Ante Up Get your first kill on the most-wanted board.

Operation Port Armor Complete Operation Port Armor.

Audiophile Collect all 18 Rorke files.

Desperate Measures Complete Desperate Measures in Campaign on any difficulty.

The Sapphire Star Solve the mystery of the Elder Crossing.

Serious Gun Collector Scan 10 weapons.

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

Make it Personal Load out with a custom weapon.

Contact Attain ‘Known’ status in Alien Colonist Encounters

Reality TV Watch a news cast.

End of the Line Complete End of the Line in Campaign on any difficulty.

Break on Through Complete Break on Through in Campaign on any difficulty.

You've earned it Earn the mask. Finish the campaign on Veteran.

Combat Recruit Complete the Campaign on any difficulty.

Keep Your Friends Close... Perform Body Shield five times.

Monster Slayer Hunt 100 large monsters.

Old Faithful Kill 200 enemies with an AR.

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

I Am the Reinforcements Respond to an SOS flare, and help complete 10 quests.

Epidemiologist Cold Darkness Challenge: Complete Cold Darkness

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

Miniature Crown Record your first miniature crown for monsters that appear from low or high rank.

The Final Countdown Complete The Final Countdown in Campaign on any difficulty.

Operation D-Con Complete Operation D-Con.

Never There - Sneak past Helghast Sneaked past all Helghast in the Jungle without alerting any of them

Babel-17 Attain ‘Confused’ status in Words Collected

Operation Burn Water Complete Operation Burn Water.

Gadabout Discover all named locations in Oasis and the surrounding Pirate's Booty areas.

Fangs Out Earn your first Jackal item (weapon or upgrade).

Anyway, Here's "Firewall" Activate the Backburner's firewall.

Operation Dark Quarry Complete Operation Dark Quarry.

Operation Deep Execute Complete Operation Deep Execute.