The only downsize was that I had to keep the ISO's files during a time when I had total 40g harddrive. I found a guide on how to make a iso out out of my CD in a way that the game would see my ISO as if it was a true CD, it took me a few tries and I never managed to do it again but it did save me playing a buggy game eventually. Basically there's an option on your ISO software (e.g powerISO, magicISO) that will convert these files. But if I wanted to use the no CD I (because their wasn't any no cd supporting the patch) couldn't play the game on the newest patch (1.2 I think) which had some really really important bug fixes. Years ago I played a game called KOTOR 2 but since I hate using CD's to play a game I wanted to use a no CD. Many popular games seem to work already though sometimes with glitches. iso extension, so you can use this software to open and extract. Just making a ISO file doesn't work because their are securitys in place preventing you making a copy of your CD. The program aims to perfectly emulate and. Well for you lovers of heavy games, sometimes we find the installer files with. I did try Daemon Tools, Windows acted like it was a CD (which is an improvment), however the games setup did not.Then I suggest you to try finding a guide on how the propally make a ISO out of a CD. I doubt I will be able to find a no-CD crack for that game :P