Full list of all 12 Twelve Minutes achievements worth 1,000 gamerscore. It takes around 2-3 hours to unlock all of the achievements on Xbox One.
Choose to forget everything.
Choose to go back to reality.
Observe all variations of the KITCHEN painting.
Choose to be alone.
Grow all THREE flowers in the BEDROOM plant.
Confess what you did and leave.
Betray the wife and help the cop.
Have a perfect day.
Observe all variations of the BEDROOM painting.
Observe all variations of the LIVING ROOM painting.
Water the BEDROOM plant at least once.
Do nothing in the first loop.