The most important thing for good performance is your video card. Upgrading your video card will give you the biggest boost to Shrouded Isles game performance, and could allow you to run the game on a slower CPU, etc. The second most important thing for good performance is system RAM. Upgrading your system RAM to 384 MB or higher will give you a good performance boost. Finally, your CPU definitely plays a factor in Shrouded Isles performance. You will achieve better load times and a performance increase from a faster CPU.