I hope this is the right sub-forum for this question. Some of the titles are a little ambiguous, regarding content. If not, move it please. So! I want to add a ghost sim to my household. But, I 'd ...
To add to RySBI, if you also have MC Command Center, you can flag the ghost to "Never Be Culled" so it won't return to the Netherworld after a certain period of time!