Installed it, fiddled around for five minutes, died several dozen times (there are a number of ways it doesn't work like the coin-op version), uninstalled it.

These days, if I need a time-waster that isn't mame, or podcasts, or programming, or books, or any of the 8 gazillion rss feeds, or being away from the computer entirely, I've been playing http://armorgames.com/play/1716/gemcraft