Complete Distress

Complete Sulaco Falls

Complete The Raven

Complete Rampart

Complete Home

Defeat all Xenomorphs in the Sulaco hangar bay without them crossing your barricade

Arm the emergency release and escape in under 2:30 on Sulaco Falls

Find Newt's doll

Complete Hope in Hadley's

Complete One Bullet without setting off the alarm

Defeat the Raven in under 1:10 on Soldier difficulty or higher

Find the Easter Egg

Gib two enemies at once

Earn Rank 2 as a Marine

Earn Rank 20 as a Marine

Collect a Dog Tag

Collect a Legendary Weapon

Complete a Challenge

Complete an entire Challenge category

Have another player join your party

Revive a teammate

Edit a Marine Loadout

Edit a Xenomorph Loadout

Upgrade every Loadout slot for a Xenomorph class

Upgrade every slot for a weapon

Spend 30 Commendations

Collect all 12 Audio Logs

Kill 10 Xenomorphs that are using vents

Kill 10 Xenomorphs in a game with the M56A2 Smart Gun

Set up a UA 571-C Remote Sentry

Track 100 hostile targets with the Motion Tracker

Kill 3 enemies with a single U4 Firebomb

Kill a Xenomorph with a shotgun at very close range

Kill a Xenomorph climbing on the walls or ceiling

Kill 5 Spitters without being damaged by acid

Kill a Crusher without it damaging you

Survive a Close Encounter with a Facehugger

Rescue a teammate from a Close Encounter