Here is the full list of all 23 Darold The Doomer: Psychedelic Lucid Dreams achievements.
You beat the game
25/15/21 7/15/20 20/8/5 13/5/18/3/21/18/25 5/14/4/9/14/7
???
You got the bad ending
You found J
You Found K
You Killed Aaron
You Killed Mr.FuckHead
You talked to Esmith
You talked to Razmo
Choose the Sadist
Choose the Epileptic
Choose the Catatonic
Choose the Schizophrenic
Choose the Hysteric
Choose the Depressive
Choose the Maniac
Choose Dissociative Identity Disorder
Try to leave the bathroom without washing your hands
You beat the sequel
Kill Aron
Talk or buy something from Louis' shop
Defeat Klaun (again)