Penguspy is a nice site that features lots of great Linux games. Their site is easy to navigate and features star reviews of the games as well as peoples comments. You can find a short description on each game and a nice video so that you can preview the game before downloading. The site also features categories where you can browse through your favourite genre. There is a category that divides games into Close Source and Open Source as well. Currently the site is still in beta but it works great and new content is being added daily. Go to Penguspy and start gaming on Linux. There are many great games for you to discover.