The game developers didn't release a version for MAC. This game was specially designed for computers that run on Windows. However, there are several things you can try in order to run the game on a MAC computer. You can try using dual boot and install a Windows version so you can play the game on the OS that is designed for. Also, you can try to visit MAC Informer in order to search and download a tool that allows you to install and run Windows applications on your MAC computer.
You can also visit the following forum, to find out more about other people that are having the same problem as you.