Chock full of quotes that "Aliens" fans will recognize
Adaptive Morphology - Upgrade every Appearance slot once for a Xenomorph class
Adios, Muchachos - Gib two enemies at once
Another Bug Hunt - Complete a Challenge
Another Day in the Corps! - Complete Distress
Anytime, Anywhere - Kill a Crusher without it damaging you
Arbitrarily Exterminated - Kill 2179 Xenomorphs (11)
Bad Feeling About This Drop - Complete Sulaco Falls
... But No Cigar - Rescue a teammate from a Close Encounter
Coming Outta the Walls! - Kill a Xenomorph climbing on the walls or ceiling
Distinguished Service Medal - Complete all Challenges (6)
Don't Count Me Out - Revive a teammate
Dragged Queen - Complete Home (8)
Eat This! - Kill a Xenomorph with a shotgun at very close range (7)
Entry Prohibited - Kill 10 Xenomorphs that are using vents
Field Modified, Kill Certified - Upgrade every slot for a weapon
Field Promotion - Earn Rank 2 as a Marine
Fire Drill - Arm the emergency release and escape in under 2:30 on Sulaco Falls
Game Over, Man! - Complete all Campaign levels on any difficulty
Heavy Lifting - Defeat the Raven in under 1:10 on Soldier difficulty or higher
I Can Handle Myself - Purchase all Upgrades for a weapon
I Feel Safer Already - Have another player join your party
I Heard THAT - Collect all 12 Audio Logs
I Like to Keep These Handy - Collect all 6 Legendary Weapons
I Love the Corps! - Earn Rank 60 as a Marine (4)
It's a Dry Heat - Kill 3 enemies with a single U4 Firebomb
Just a Grunt - Complete Hope in Hadley's
Lean and Mean - Earn Rank 20 as a Marine
Let's Rock! - Kill 10 Xenomorphs in a game with the M56A2 Smart Gun (1)
Love at First Sight - Survive a Close Encounter with a Facehugger (15)
Majority Shareholder - Spend 30 Commendations
Micro Changes in Air Density - Track 100 hostile targets with the Motion Tracker
Mostly Come at Night... - Find Newt's doll (8)
Need a Deck Of Cards? - Set up a UA 571-C Remote Sentry
No Offense - Melee a Lurker that is pouncing towards you
No Need For Alarm - Complete One Bullet without setting off the alarm
Not Bad For a Human - Complete all Campaign levels on Hardened difficulty (1)
Oorah to Ashes - Collect a Dog Tag
Perfect Killing Machine - Upgrade every Loadout slot for a Xenomorph class
Personal Friend of Mine - Collect a Legendary Weapon (5)
Quoth the Raven - Complete The Raven
Ready to Fry Half a City - Edit a Marine Loadout
Remember the Fallen - Collect all 35 Dog Tags
Secreted from What? - Kill 5 Spitters without being damaged by acid
Short, Controlled Bursts - Defeat all Xenomorphs in the Sulaco hangar bay without them crossing your barricade (2)
Still Got a Job to Do - Complete Rampart
State of the Badass Art - Complete all Campaign levels on Ultimate Badass difficulty (17)
Stay Frosty - Complete an entire Challenge category
Structural Perfection - Edit a Xenomorph Loadout (4)
You Look Just Like I Feel - Upgrade every Appearance slot once for your Marine
