Here is the full list of all 9 Reality Incognita Demo achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Die when attempting to fix the electric box
Ask the Robot Butler to fix the electric box for you
Finish the demo of Reality Incognita
Wipe the blood from the floor
Prepare everything to go into the dark kitchen storage
Fix the electric box by yourself
Bathe in the shower room
Slice the chairs
Get out of Hibernation Room