Stay Frosty
Not unlocked yetComplete an entire Challenge category
Distinguished Service Medal
Not unlocked yetComplete all Challenges
I Feel Safer Already
Not unlocked yetHave another player join your party
Don't Count Me Out
Not unlocked yetRevive a teammate
Ready to Fry Half a City
Not unlocked yetEdit a Marine Loadout
Structural Perfection
Not unlocked yetEdit a Xenomorph Loadout
Perfect Killing Machine
Not unlocked yetUpgrade every Loadout slot for a Xenomorph class
Field Modified, Kill Certified
Not unlocked yetUpgrade every slot for a weapon
You Look Just Like I Feel
Not unlocked yetUpgrade every Appearance slot once for your Marine
Adaptive Morphology
Not unlocked yetUpgrade every Appearance slot once for a Xenomorph class
I Can Handle Myself
Not unlocked yetPurchase all Upgrades for a weapon
Majority Shareholder
Not unlocked yetSpend 30 Commendations
I Heard THAT
Not unlocked yetCollect all 12 Audio Logs
Entry Prohibited
Not unlocked yetKill 10 Xenomorphs that are using vents
Let's Rock!
Not unlocked yetKill 10 Xenomorphs in a game with the M56A2 Smart Gun
Need a Deck Of Cards?
Not unlocked yetSet up a UA 571-C Remote Sentry
Micro Changes in Air Density
Not unlocked yetTrack 100 hostile targets with the Motion Tracker
It's a Dry Heat
Not unlocked yetKill 3 enemies with a single U4 Firebomb
Eat This!
Not unlocked yetKill a Xenomorph with a shotgun at very close range
Coming Outta the Walls!
Not unlocked yetKill a Xenomorph climbing on the walls or ceiling
Secreted from What?
Not unlocked yetKill 5 Spitters without being damaged by acid
No Offense
Not unlocked yetMelee a Lurker that is pouncing towards you
Arbitrarily Exterminated
Not unlocked yetKill 2179 Xenomorphs
Anytime, Anywhere
Not unlocked yetKill a Crusher without it damaging you