Aliens: Dark Descent achievements

Advance a Recon to level 10.

Destroy 4 eggs with one grenade or an RPG shot.

Secure an unconscious marine.

During a campaign, secure 5 survivors.

Remove a Trait from a marine.

Kill an enemy before they detect the squad.

Kill an enemy by using an explosive barrel.

During a campaign, kill 100 Xenomorphs.

Save a marine from dying of Bleeding.

Prevent a marine from being Abducted.

Kill every Alien of a Massive Onslaught.

Gather all datapads.