Pretty much every day I try to do the Washington Post Crossword online. It’s a good balance of difficulty and there are handy tools for if I get stuck. And they (whoever “they” are) say that doing crosswords are good for keeping the brain nimble.
By the way, we unfortunately didn’t get that house. Kind of annoying but there we go. I’m sure there will be plenty of others to get, we’ll just have to keep poking around other people’s homes for a bit longer.