There are many little games that appear like the one I've made recently. I was somewhat amazed to find that there is practically a whole genre of "pipe" games. But this one should be unique among the veritable cornucopia of computer games, because I ripped the idea off of an actual physical board game. I can't remember it's name, but if I could I'd buy it for its heated head-to-head action. Its written in the language formerly known as JavaScript, and it is lamely dubbed TurboTubes.