Here is the full list of all 23 Mind: Path to Thalamus Enhanced Edition achievements.
Finish the level at the shallow sea with 4 mirrors under 90 seconds.
Do maths as a really good spanish singuer did.
At the last confrontation, avoid the Evil Balls of Death.
Throw the ball in the cave and cry with it's delicious sound.
Ignore him and avoid the confrontation.
Finish the second level at the woods in less than 60 seconds.
Worship the sacred jam at the rocks.
Go through the whole "Badlands 2" level at night.
Find the remains of the bed in the cave
Spot the magic flying cow.
Avoid the cani knowledge.
Unlock the secret ending.
Discover the meaning of the picture in the hall.
Turn all four mirrors to get to Sophia.
Access the Skyscraper.
Defeat the Colossus.
Face your memories.
Find the remains of the closet in the forest
Discover Time.
Discover Rain.
Glimpse the Thalamus for the first time.
Discover Night.
Discover Fog.