Here is the full list of all 18 8-bit Adventure Anthology: Volume I achievements.
Carry the ruby until it posesses you
Killed by the Belle
Wait until the dragon breath gets through your shield
Set yourself on fire with a torch
Don't leave the car until it burns
Die from amnesia
Shot by the lady in red
Try to rob the gun store
Blown up in a car
Eaten by the sewer gator
Shot by the mugger
Break a mirror into space
Fall to your death after the troll removes the bridge
Killed by the werewolf girl
Killed by the warlock
Eaten by the spider
Drown in the bathroom
Consumed by the evil spirit from your sister