Full list of all 46 Aliens: Fireteam Elite achievements.
The base game contains 42 achievements, and there is 1 DLC pack containing 4 achievements.
Collect 20 hats.
Collect 40 colorways.
Collect 40 decals.
Level five Kits to Rank 8.
Complete a mission on Intense Difficulty or above without anyone taking friendly fire damage.
Eliminate 1000 Synthetics.
Return 39 pieces of intel.
Eliminate 10000 Xenomorphs.
Complete 50 missions without anyone being downed.
Kill 1000 enemies with fire.
Open 50 hidden caches.
Collect 20 emotes.
Finish a mission on Intense Difficulty.
Level a Kit to Rank 8.
Complete 25 successful Challenge runs.
Kill 50 enemies with explosive barrels or pods.
Fill every slot in a perk board.
Finish the "Only Way to be Sure" Campaign.
Finish all Campaigns on Standard Difficulty.
Level a weapon to four stars.
Collect one attachment of every type.
Collect 25 attachments.
Eliminate 300 Pathogen.
Get grappled five times in the same mission.
Finish the "Gift of Fire" Campaign.
Change your hat and outfit.
Finish the "Giants in the Earth" Campaign.
Finish the "Priority One" Campaign.
Do a successful Challenge run.
Equip a colorway and decal onto a gun.
Equip three attachments on a single weapon.
Finish a mission on Extreme Difficulty.
Finish a mission on Insane Difficulty.
Finish all Campaigns on Intense Difficulty.
Finish all Campaigns on Extreme Difficulty.
Finish all Campaigns on Insane Difficulty.
Level 30 weapons to four stars.
Eliminate 2000 elite enemies.
Kill 1000 enemies with electricity.
Use 500 consumables.
Complete a mission without using aid kits, ammo crates, or consumables.
Heal your fireteam with an aid kit 100 times.