Here is the full list of all 25 Ghost Simulator achievements.
Becky and Ollie ended up together.
Laura married Amber and traveled to Rio.
Scare Samantha to death.
Scare Michael's pants off.
Scare the daylights out of Ollie.
Scare the bejesus out of Amber.
Make Samantha believe in your existence.
Make Michael believe in your existence.
Make Ollie believe in your existence.
Make Amber believe in your existence.
Haunt Becky.
Haunt Laura.
Haunt Laura, Rita, and Amber.
Defeat George Carpenter, the evil genius.
Scare them in an inventive way.
Read the five passages of Samantha's book.
Found the secret passage in the living room.
This is not the Stanley Hotel…but it's also a haunted place.
Somehow, Jeremy managed to win Rita's heart.
Samantha's new book is a bestseller.
Samantha and Michael found a happy married life.
You joined Joseph McKinnon in his adventures.
You bested Violet Edgeworth and became a necromancer.
Killed Tall, one of Violet's thralls.
Killed Short, one of Violet's thralls.