Here is the full list of all 26 Alien Removal Division achievements.
Run out of fuel
Remove 100 aliens
Remove 3 aliens with one grenade explosion
Remove 10 aliens while in air
Remove 50 aliens
Break 5 alien eggs
Remove 5 aliens while sliding
Remove 5 aliens while wallrunning
Grapple 3 times in a row
Don't touch the ground for at least 10 seconds
Get a time of 34 seconds or less in The Bonewald trial
Place first in The Bonewald leaderboard
Finish the game in under 8 minutes
Complete the game without dying
Destroy 1 explosive dummy
Destroy all 7 explosive dummies
Load all 8 bullets for the Shotgun's Alternate Fire
Be very indecisive when you leave The Bonewald