For you the Mac users, you can get Mac games for free from Mac Games. There, you will be providing with lots of mac games that will be suitable for your mac.
Mac games that they have are offering us with different excitement from different games that you can find there.
Not only games that you will get there, but some of the reviews of the mac games will be able to read at Macgames.org to make you know more about the games before you get and play it.