| icon | info | gamerscore |
|---|---|---|
 | This Is Hayes, Pioneer Station, Signing Off Finish the Prologue. | 5 |
 | Something Lurks Under The Hills Complete Mission 01. | 15 |
 | First Steps Into Madness Complete Mission 02. | 15 |
 | Harper's Hell Complete Mission 03. | 15 |
 | Making a Stand Complete Mission 04. | 15 |
 | Where It All Begun Complete Mission 05. | 15 |
 | Living Nightmare Complete Mission 06. | 15 |
 | The Darwin Era Was Here Complete Mission 07. | 15 |
 | Deep Into Insanity Complete Mission 08. | 15 |
 | The Passenger Complete Mission 09. | 15 |
 | The Spire Complete Mission 10. | 15 |
 | Excavating The Truth Complete Mission 11. | 15 |
 | Abysmal Horrors Complete Mission 12. | 15 |
 | The More The Merrier Unlock the APC. | 5 |
 | This Went Smoothly Finish the game on Medium. | 15 |
 | Fair And Square Finish the game on Hard. | 30 |
 | This Ain't No Picnic Finish the game on Nightmare. | 90 |
 | Perfect Organism Finish the game on "No One Can Hear Them Scream" mode. | 30 |
 | Regicide Kill every Queen during a campaign. | 90 |
 | Cleaning Lethe, One Nest At A Time During a campaign, kill 100 Xenomorphs. | 5 |
 | Come on, You Wanna Live Forever? Advance a Sergeant to level 10. | 15 |
 | El Riesgo Siempre Vive Advance a Gunner to level 10. | 15 |
 | Bandage Lover Advance a Medic to level 10. | 15 |
 | The Cable Guy Advance a Tecker to level 10. | 15 |
 | Frontliner Advance a Recon to level 10. | 15 |
 | Hardened In The Heat Of Battle During a campaign, advance each Marine Class to level 10. | 30 |
 | Heavy Steps Lure a Queen into a Mine. | 15 |
 | Stuff Of Nightmares Save a Marine from being incubated. | 15 |
 | Flawless Victory Keep all of your marines alive during a campaign. | 90 |
 | Archivist Gather all datapads. | 30 |
 | Colonial Barrels Kill an enemy by using an explosive barrel. | 15 |
 | Damn Dude, You Gotta Lose Some Weight! Secure an unconscious marine. | 15 |
 | Omelette Du Fromage Destroy 4 eggs with one grenade or an RPG shot. | 15 |
 | Recouped Investment Have one Sentry kill at least 10 aliens. | 15 |
 | Use The Bumper, That's What It's For Make the ARC/APC run over an enemy. | 15 |
 | This Was No Papercut Save a marine from dying of Bleeding. | 5 |
 | Keep 'Em Coming Kill every Alien of a Massive Onslaught. | 5 |
 | Snatched Out Prevent a marine from being Abducted. | 15 |
 | The True Experience In any mission, complete at least one objective with only one marine in the squad. | 15 |
 | The Shrink Hates Me Remove a Trait from a marine. | 15 |
 | Call Me Snake Kill an enemy before they detect the squad. | 15 |
 | Perfect Enhancements During a campaign, unlock every Xeno Tech. | 90 |
 | One For Every Occasion During a campaign, unlock every weapons. | 15 |
 | People Person During a campaign, secure 5 survivors. | 30 |
 | Chalk It Up To Experience Have a marine with at least 2 Prostheses. | 15 |
