Many players suggest installing a Windows version of Steam alongside your Mac version (through Winebottler, OR download from the Steam site itself), and running it with Wine. NOTE: There are at least 2 ways to download the game:ġ. It will also let you install apps from CD-ROM. Have you tried Wine/ Winebottler? It's a free app that lets you open *ALMOST* any Windows application, without having to actually install Windows.
This is a bit of a long reply, but I think it's worth the read:
