Here is the full list of all 21 Bad Dream: Coma achievements.
Accept his help in hospital
Use the scissors to get the button
At some point it was a bug :P
Death's Messenger
Time to grow up
Thank you for playing :)
Bad Ending
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
Don't let the boss kill you!
Use the special bait
Make a special call
Visit higher floor of hospital
Be the change you wish to see
Don't take any damage
Shiny reflection
Make a dog happy
Visit the hidden room