Full list of all 17 Unmechanical: Extended achievements worth 1,000 gamerscore. It takes around 3-4 hours to unlock all of the achievements on Xbox One.
Some things are just way too heavy.
Pass the adjustable pumps without adjusting the pumps.
Make 4 loops with the helicopter in succession.
Form a pentagram with the laser reflectors.
At the beginning of the game, find a way to submerge under water.
Become a new janitor.
Save yourself at the end of Extended.
Sacrifice yourself at the end of Extended.
Finish game without using hints.
Finish the game by escaping.
A way out?
It lives!
Throw a piece of coal into the oven without the piece touching anything, flying for 3 seconds.
Balance an object on your head for 10 seconds.
Get hit in the head with a lavarock 5 times without using the tractor beam.
Deeper and deeper.
No way out, but forward.