Here is the full list of all 27 Visage achievements.
The base game contains 13 achievements, and there is 1 DLC pack containing 14 achievements.
Complete the void ending.
Complete the family reunion ending.
Find one VHS tape.
Find all VHS tape.
Drink the hot chocolate.
Find the smiley face sticker.
Find all the pages from the appreciation book.
Find one piece of the mirror mask.
Find all pieces of the mirror mask.
Find Rakan's psychological evaluation tape.
Use the revolver.
You warped Bernard the Alien back to planet Ceiphe.
Find Johnny's gift.
Complete Rakan's chapter.