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