Full list of all 12 Without Escape achievements worth 1,000 gamerscore. It takes around 0-0.5 hours to unlock all of the achievements on Xbox One.
Finish the game
Find the place of the others
You have found the key back to normality
Someone is looking at you
Enter the other dimension for the first time
Enter father's office for the first time
Is there someone?
Climb stairs 10 times. Must be completed in one game session.
I didn't put it there!
What was the number?
Investigate your TV
The comfortable ones