http://www.cleanscreen.info/SS.html - on this page you have to e-mail the creator and he will send you a link. Donationware - meaning if you like it, he would like a donation - but other then that it is free
Oh, and you can check out the web version here (without getting a screensaver.)
(hide) In the mood for a quick game that is guaranteed to finish within 2 hours? Create a new game of your preference, select the Time for game and set Time to 0 days / 1 hour, Bonus to 0 days / 0 hours and Limit to 0 days / 1 hours. (TeamBundy) (show all tips)