Full list of all 29 The Sinking City achievements worth 1,000 gamerscore. It takes around 15-20 hours to unlock all of the achievements on Xbox One.
Achievements they've won
Achievements they've not won
Leave the city and the world to their fate.
Complete every challenge the city of Oakmont has to offer.
End the Cycle.
Restart the Cycle.
Prevent the last self-immolation.
Defeat a little girl without playing fair.
Kill the priestess.
Kill the archeologist.
Finally commit the crime you were accused of.
Kill the old lady.
Have a ritual conducted on you.
Banish Granny Weaver.
Study all the frescoes in the Temple of Dagon.
Ask the Imperial Wizard to show you a magic trick.
Punish the upstart.
Dethrone the patriarch.
Challenge the horror of the Redemption Church.
Humor a grieving mother.
Uphold your agreement with Robert.
Take Sidney's stash. You monster.
Help the professor with his plan.
Betray the warehouse guard's trust.
Go below the surface for the first time.
Agree to the experimental treatment.
Use the intelligence archives in your investigation.
Give an interview to the local newspaper.
Solve your first case in Oakmont.
Have your fortune read.