Sure you can play games on linux..I mean don't expect frames to be killer if you have integrated video...But linux really isn't a gaming os..I mean you can make it into one, but if your a gamer, most of the best games are ported over to windows anyway..Like slick8790 said, you can use wine..But it's not the end of the world, linux usually comes with alot of free games you can play around with..And ut2003 is for linux as well...Just don't buy a game in a store and expect it to run on linux heh...But if you have like an ati 8500 and decide to play ut2003 for linux, you will probably have pretty good game play imo..But anyway, check out www.linuxgames.com