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.
The comfortable ones
Investigate your TV
What was the number?
I didn't put it there!
Is there someone?
Enter father's office for the first time
Climb stairs 10 times. Must be completed in one game session.
Enter the other dimension for the first time
Someone is looking at you
You have found the key back to normality
Find the place of the others
Finish the game