One russian programmer (Dj_smart) created a Pacman game, but with one specific feauture again: adds portalgun for pacman. http://igdc.ru/project.php?id=13
Direct link for download: http://igdc.ru/pr_download.php?id=13
I've enjoyed it, it's pretty nice. It was written on Pascal I guess. Btw, don't forget guys to use mouse2 button also.
P.S. Sorry, if I created this topic in not it's place.. actually I couldn't find better place.
-EDIT- Thanks for moving my topic, admins.