Here's a fun and easy logic game based on elementary geometric topology. I thought my readers might enjoy it:

http://www.freeworldgroup.com/games6/gameindex/lilly-hop.htm

It's no Hyperframe, though. For those of you who haven't beaten all 40 levels of Hyperframe, go do it now. It's amazingly fun, and I'm fairly sure people who beat it are smarter afterwards. I know I felt smarter:

http://www.addictinggames.com/hyperframe.html