Here is the full list of all 21 Bad Dream: Coma achievements.
Death's Messenger
Time to grow up
End the game with the dirty cursor
Victim of its own mistakes
Get the camera on the graveyard
At some point it was a bug :P
Shiny reflection
Make a dog happy
Don't let the boss kill you!
Visit the hidden room
Use the special bait
Make a special call
Accept his help in hospital
Thank you for playing :)
Take the unwanted job
Use the scissors to get the button
Be the change you wish to see
Don't take any damage
Bad Ending
Edit my game
Visit higher floor of hospital