There may be a risk of viruses, but, mostly its OK. There also may be a risk of scratches on it, and it won't be able to work.
Steam is the best place to buy games online its safe and cheap. If you want to buy a hardcopy of a PC game, there are several online game shops where you can buy PC games. You can find a list here: http://gameshopguru.com/?s=PC
Whatever DS game you have buy the game for the PC. If you cant buy the game, you don't play DS games on the PC.
buy them
You'll buy PC games. The XBox controller can be used with some PC games as a standard video game controller.
no you can not buy it
You Don't buy it. its free ware so you can download it.
Sadly, it is no possible. PC games are made only for PC. You must buy the Mac version of your game to play it on the mac.
The easiest way to get hold of the Rollercoaster Tycoon game for a PC is to go to a gaming store, such as Game Stop, and buy a copy of the game on CD. They are also available from Amazon, or if one is willing to buy a used version, through eBay.
You can't unless you buy the PC version of the game.
You Could Buy it perhaps?
Yes for a PC game The DLC is not a Stand alone game and the PC Map pack will only work with the PC game
there is thrilleville on the pc... or roller coaster tycoon in the pc. but you have to buy them at a game store