Here is the full list of all 18 Interactive Horror Stories achievements.
Get killed by Lisa
Be a good mom to Lisa
Learn what happened to other babies
Resurrect "Jonathan"
...
The king is dead, long live the KING!
Don't buy the skull
Killing yourself by jumping from the window
Killing yourself with the sword of Alexander the Great
Become a clown
A lame ending
Start of a new life
Be free
Don't buy the board
You summoned something and it killed your child
You summoned something and you need to exorcise it