Full list of all 21 Black Mirror achievements worth 1,000 gamerscore. It takes around 6-8 hours to unlock all of the achievements on Xbox One.
Settle in your room
Meet a mysterious kid
Unite Margaret and Rosemary
Take a ride in the dumbwaiter
Observe how much Eddie loves his toys
Enter the Caves
Calm down after your first night
Calm yourself down in three situations
Cross the invisible cave chasm
Trigger the Chapel Vision
Trigger the Glasshouse Vision
Live through the Cellar Vision
Trigger the Village Vision
Experience the Master Study Vision
Finish Chapter I
Finish Chapter II
Finish Chapter III
Finish Chapter IV
Finish Chapter V
Enjoy your Scottish breakfast
Lock-picked the library cabinet instead of breaking it open