Haunted House Glitch?
Ok, I have my Sim in a haunted house and this is only my second time playing with this game play option. The first time, I got all sorts of stuff going on, like the little ghost things and hauntings, ...
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I think this is a known bug. It's the same for me, especially with the career. First few gigs were creepy, loads going on. Now, nothing spawns at all. I'm in heroic mode and I don't get any spectres or activity in my home lot. Hopefully it's fixed soon. ☺️