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