name | explanation | gamerscore |
secret achievement | Continue playing to unlock this achievement. | Five |
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. | Five |
this went smoothly | Finish the game on medium. | 15 |
fair and square | Finish the game on Hard. | 30 |
this is not a picnic | Complete the game with Nightmare. | 90 |
perfect organism | Complete the game in “No One Can Hear Them Scream” mode. | 30 |
secret achievement | Continue playing to unlock this achievement. | 90 |
A lethe that cleans one nest at a time | Kill 100 xenomorphs during the campaign. | Five |
Come on, do you want to live forever? | Raise Sergeant to level 10. | 15 |
El Lisgo Siempre Vive | Raise the Gunner to level 10. | 15 |
bandage lovers | Raise a Medic to level 10. | 15 |
cable guy | Raise Tecker to level 10. | 15 |
front liner | Advance Recon to Level 10. | 15 |
Forged in the heat of battle | Raise each Marine to level 10 during the campaign. | 30 |
secret achievement | Continue playing to unlock this achievement. | 15 |
secret achievement | Continue playing to unlock this achievement. | 15 |
perfect victory | Keep all your Marines alive during the campaign. | 90 |
archivist | Collect all Data Pads. | 30 |
colonial barrel | Use explosive barrels to kill enemies. | 15 |
Damn I have to lose some more weight! | Secure the unconscious Marine. | 15 |
Omelette du Fromage | Destroy 4 eggs with a single grenade or RPG shot. | 15 |
investment recovered | Have a sentry kill at least 10 aliens. | 15 |
secret achievement | Continue playing to unlock this achievement. | 15 |
this was not kirigami | Save a Marine dying from bleeding. | Five |
keep coming | Kill all the aliens in a massive onslaught. | Five |
snatch out | Stop the kidnapping of Marines. | 15 |
real experience | Complete at least one objective in any mission with only one Marine in your squad. | 15 |
shrink hate me | Removes traits from Marines. | 15 |
call me snake | Kill the enemy before discovering your squad. | 15 |
perfect enhancement | Unlock all Xeno Techs during the campaign. | 90 |
one for every occasion | Unlock all weapons during the campaign. | 15 |
people | Secure 5 survivors during the campaign. | 30 |
secret achievement | Continue playing to unlock this achievement. | 15 |