Dark Descent Xbox achievements emerge from the shadows

Name Description Gamerscore Secret Achievement Continue playing to unlock this achievement. 5 Secret Achievement Continue playing to unlock this achievement. 15 Secret Achievement Continue playing to unlock this achievement. 15 Secret Achievement Continue playing to unlock this achievement. 15 Secret Achievement Continue playing to unlock this achievement. 15 Secret Achievement Continue playing to unlock this achievement. 15 Secret Achievement Continue playing to unlock this achievement. 15 Secret Achievement Continue playing to unlock this achievement. 15 Secret Achievement Continue playing to unlock this achievement. 15 Secret Achievement Continue playing to unlock this achievement. 15 Secret Achievement Continue playing to unlock this achievement. 15 Secret Achievement Continue playing to unlock this achievement. 15 Secret Achievement Continue playing to unlock this achievement. 15 Secret Achievement Continue playing to unlock this achievement. 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 Secret Achievement Continue playing to unlock this achievement. 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 Secret Achievement Continue playing to unlock this achievement. 15 Secret Achievement Continue playing to unlock this achievement. 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 Secret Achievement Continue playing to unlock this achievement. 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 Secret Achievement Continue playing to unlock this achievement. 15