You have too much free time.
And when that happens, I post a flash game that drinks the milkshake of your free time.
http://theflashgames.blogspot.com/2008/09/lightbot.html
(Click on the word "play" when it finishes loading. This will not trigger the ad, it will trigger the starting animation of dancing swords and then start the game.)
I think it's available at several websites, but the link above works for me.
I was introduced to this cerebral addiction by a local buddy who's also hooked on Settlers of Catan.
This kind of reverse recruitment happens to me a lot. I say, "Hey, do you want to play a game of--"
And they interrupt with: "Try playing this new thing"
and I'm hooked.
I already played it and won, but I just wanted to say that it was fun. Check it out!
Fun, but brain numb.
No condition checking on loops.