Here is the full list of all 23 Mind: Path to Thalamus Enhanced Edition achievements.
Finish the second level at the woods in less than 60 seconds.
Find the remains of the closet in the forest
Discover Time.
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.
Defeat the Colossus.
Access the Skyscraper.
Turn all four mirrors to get to Sophia.
Ignore him and avoid the confrontation.
Discover the meaning of the picture in the hall.
Spot the magic flying cow.
Go through the whole "Badlands 2" level at night.
Face your memories.
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.