The thread name says it all. I've been looking everywhere on my computer, but it seems that since I downloaded RCT3 from Steam that the actual game files aren't saved on my computer, so I can't place the downloaded files in the needed folder. Has anyone else heard of this problem?

I’ve taken a quick look at their webpage and it would seem you need to be online in order to play your game. I’m going to go out on a limb here and say you probably need to buy a copy of the game in order to have your own copies of the folders in which to install CS. I doubt you’ll be able to install your CS in their server – and if you could do that you’d probably have to pay for that.

Have you confirmed there is no Atari\RollerCoaster Tycoon 3 folder in your system?

Looks like you're correct. I'd probably have to buy an actual copy of the game in order to have my own files. The game files are nowhere on my computer.