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