Here is the full list of all 11 Exiles End achievements.
Meet someone unexpected
Find the grenade launcher
Get up close and personal with some of the local creatures
Get ready to make your own way out of the mining base
Shoot a worm while it's falling
Find a member of your crew
Completed the game
Found everything in the game
Complete the game in less than 3 hours
Reach ending #1
Reach ending #2