I was in Mensa for a couple of years, but ended up letting it drop, as there were not many activities and/or the meetings were at times that weren't convenient for me with small children.

I thought about it for my oldest, but since I didn't feel it was very active in my area for adults, I wasn't sure it would be much better for kids. I think it probably depends a lot on your local chapter and how active they are.

FWIW, the games are accessible to anyone online.