Pretty much all Mac games at the moment are Cider (WINE) ports. Starcraft 2, Spore, NFS, pretty much any big game release is a Windows binary in a Mac wrapper.

Pretty much all Mac games at the moment are Cider (WINE) ports. Starcraft 2, Spore, NFS, pretty much any big game release is a Windows binary in a Mac wrapper. They're slower than native sure, but not awfully so.