The list below lists all the achievements available for the Xbox 360.
Quot Raven
Opens automatically during the campaign, you can’t miss it.
Adios, Muchachos
Kill two xenomorphs in one attack. Use a weapon with a mounted grenade launcher to target the group.
fire drill
In Sulaco Falls, arm three emergency descents and escape in less than 2 minutes 30 seconds. Set the difficulty level to the lowest and eliminate enemies only on your way.
Arbitrarily exterminated
Kill 2179 xenomorphs.
promotion
Earn Rank 2 as a Marine.
No offense
Kill Lurker when he tries to perform a melee attack. Use a tactical shotgun or any other weapon with high firepower.
Secret from what?
Kill five spitters without taking damage. Stay mobile and attack from a distance.
I can handle myself
Buy all upgrades for the selected weapon.
Kill Certified
Upgrade every weapon slot.
Evil Art State
Complete the game on Ultimate Badass difficulty.
Adaptive morphology
Upgrade each Appearance slot once for the Xenomorph class (multiplayer).
Ready to burn half the city
Change the active weapon of the Marine (Available after unlocking the first new weapon when you upgrade to level 3).
I heard something
Find all 12 audio logs.
Come on Rock!
Kill 10 xenomorphs with smart weapons. You won’t be able to get through the checkpoint, so save your ammo.
Don’t count me
Revive a teammate.
I’m safer now
Ask another player to join you (co-op).
I love the body!
Earn rank 60 as a marine
Another hunting mistake
Complete any challenge.
Another day in the corps!
Opens automatically during the campaign, you can’t miss it.
Game over, man!
Finish the game.
I like to keep them on hand
Find all 6 legendary weapons.
…but no cigar
Save an ally from a close encounter (with an “adult” alien or Facehugger).
bad feeling
Opens automatically during the campaign, you can’t miss it.
Distinguished Service Medal
Complete all 86 challenges.
Micro changes in air density
Track 100 enemy targets with the motion tracker.
Love at first sight
Survive a direct encounter with the Facehugger (by pressing the interactive mini-game button).
My personal friend
Find any legendary weapon.
No need for anxiety
In One Bullet, don’t let anyone raise the alarm. Surprise your enemies and get rid of those near the alarm panels immediately.
Easter Egg
Find an Easter egg. At the beginning of the battle for Sulaco, look for the door control panel, which looks inactive.
It’s dry heat
Kill 3 enemies with one U4 Firebomb.
Good for a human
Complete the game on hardened difficulty.
Queen
Opens automatically during the campaign, you can’t miss it.
Ora to ashes
Find any label.
Controlled parcels
In Calamity, in Sulaco’s hangar bay, kill all xenomorphs without letting them cross the barricade. Stand in front of the barricade so that each Xenomorph focuses on you. It’s also worth lowering the difficulty level.
Remember the fallen
Find all 35 tokens.
The perfect killing machine
Update each Loadout slot for the Xenomorph class (multiplayer).
Need a deck of cards?
Set up a remote sentry.
Structural excellence
Change Xenomorph Loadout (multiplayer).
Weightlifting
Kill an overgrown Xenomorph (Raven) in less than 1 minute and 10 seconds. Lower the difficulty level so you don’t have to worry about taking damage.
I got a job
Opens automatically during the campaign, you can’t miss it.
Majority shareholder
Spend 30 commendations (for rank up) to upgrade weapons.
no entry
Kill 10 Xenomorphs using the ventilation shafts.
Anytime Anywhere
In Hope at Hadley’s, kill the Crusher without taking any damage.
You look just like how I feel
Upgrade each Appearance slot once for your Marine.
Leaving the walls!
Kill the Xenomorph by climbing the walls or ceiling.
stay frosty
Complete all challenges from the selected category.
Lean and average
Earn rank 20 as a marine.
Mostly come at night…
Find Newt’s doll. It’s in the sewers in The Crow where you activate the pump to lure the boilers.
Just do business
Opens automatically during the campaign, you can’t miss it.
Eat it!
Kill a Xenomorph at close range using a shotgun.
Source: https://guides.gamepressure.com
