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