No missable achievements (plus 8 unknown)
Sign in with Steam or Xbox to track your progress, and:
Get out of the derelict prison alive.
Leave Turbine, and your former clinic, smeared in blood.
Ascend from the horrors of Bunker City.
Reach minimum safe distance from the ship.
Slaughter your way through Red Bloc territory.
Escape the unthinkable carnage of the Undercity.
Defeat the man who started it all. Save the world. Live happily ever after. Maybe?
You're a bloodthirsty maniac who deserves respect for beating the game on difficulty level not meant for humans.