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