Strike-Runner96

Fresh Meat Finish the 'Arrival' mission.

You Want a Piece of Me? Kill 50 enemies with the Assault Rifle.

Up Close and Personal Kill 50 enemies with the Shotgun.

Into the Darkness Finish the 'Descent' mission.

Have You Done This Before? Kill 100 enemies without dying

Target Practice Shoot 50 Goober Balls out of the Air.

Above the Clouds Finish the 'Summit' mission.

Scanny McScanface Discover and scan 50% of the holograms.

Taking Out the Trash Finish the 'Remains' mission.

Where'd They All Go? Finish the 'Homecoming' mission.

That Woman Intimidates Me Finish the 'Vestige' mission.

Feels All Tingly Kill 50 enemies with the Plasma Rifle.

That Place Creeps Me Out Finish the 'Garrison' mission.

Sniper Reporting for Duty Kill 50 enemies with the Precision Rifle.

Survivors Never Die Finished all levels of the main game.

Can I Get a Ride on That Thing? Finish the 'Flight' mission.

Not an Environmentalist Destroy 50 'Space Onions'.

Lobotomizer Kill 25 Grunts with Head Shots.

It's All in the Reflexes Shoot 100 jumping spiders out of the air.

The Good Life Complete the Supply Run mission

Acupuncture Kill 50 enemies with the Spike Gun.

You Owe Me One Revive another player in Cooperative play.

Refueled Complete the Breakdown mission

Scan Master Discover and scan all of the holograms.

Drone Killer Kill 500 Drones

Without a Hitch Complete the Sunnyvale mission

01000111 01000111 Complete the Data Recovery mission

Better With Friends Complete a Cooperative level.

Fully Trained Complete the Radio Silence mission

Feel the Powah Kill 10 enemies with a bounced shot from the Plasma Rifle.

Drone Killer - Soldier Kill 1000 Drones

Rocket Ranger Land 3 rockets on 1 enemy within 1 second.

Get Me Off of this Rock Finish Arrival Challenge with at least one medal.

Hail Mary Complete the Revelation mission

Less Then a Truckload Complete the R&D mission

Invasive Species Complete all the missions in the Invasive Species campaign

Dam Good Complete The Diversion Mission

Cracked Complete the Into the Breach mission

Pro-Pain Complete the Extermination mission

Right Back at Ya Kill a Rocket Drone with its own rocket.

Sapper Killer Kill 50 Sappers

Natural Selection Complete all the missions in the Natural Selection campaign

Thread the Needle Kill 4 targets with one Spike Gun blast.

Skewered Kill 3 targets with one Precision Rifle shot.

He Shoots, He Scores Reach a score of 1,000 points in the Lobby mini-game.

Sapper Killer - Soldier Kill 100 Sappers

Afraid of the Dark Finish Descent Challenge with at least one medal.

Enrager Killer Kill 50 Enragers

Avid Hiker Finish Summit Challenge with at least one medal.

That's Some Good Shootin' Kill 100 enemies in Cooperative mode with 70% accuracy.