A free mod for The Sims 4, by Jupiter.

This is a haunted house where you need to explore and uncover the secrets hidden in the dark. But be warned, as this place is filled with dangerous supernatural entities that will try to stop you!

The mansion has multiple rooms to explore and discover, and hidden secrets to uncover. You’ll have to use your skills and senses to get to the bottom of the mystery. 

Start your adventure in the haunted house by exploring and opening the doors. There is a lot of stuff to find and use, so start by exploring the rooms and finding all the secrets.