The Black Hole?

Jmmartyn wrote:
on the black hole part 4, do you have to send all the kids trick or treating or just some?

At first only Nelson and Lisa were chosen in my game then more kids were added to the list. I have no idea why the list was broken up in 2 parts for that. I thought it was because I'd already had a few do the trick or treating, but that was not the case since i'd had Bart do it earlier and he was on the 2nd task list. Perhaps it depends on which kids you currently have in your Springfield?