At most universities (and many other places) there's a single group of "those weird people" that does science fiction, gaming, paganism, etc. MITSFS gets occasional email from people thinking we're that; actually, the relevant population at MIT is large enough to support separate groups. (Which tend to have lots of overlap, of course.) So, if you're from somewhere else and were looking for all the weirdos, here are the places you might have thought would all be the same as each other and us:

The above activities are all student-centered but open to non-students.

For a full list of MIT activities, see the Association of Student Activities pages.