Bubble Free is a Mac OS X bubble-grouping game. It is identical to the Bubble MegaShift iOS game from the same publisher (99 cents for iOS; no free version listed in the App Store). Like so many other grouping games, it opens with a mix of colored bubbles that you remove by clicking on groups of two or more, causing the rest to shift down and fill the void. The larger the group you remove, the higher the score, until you can't remove any more.
Bubble Free installs easily enough and takes a second or two to learn. The graphics are OK, but there's nothing really eye-catching about the visuals here. Sure, the bubbles can change to gems or other shapes, but the gameplay is not unique and there are, in our opinion, better games along the same lines. We got bored with Bubble Free quickly, although some casual gamers may find it more interesting than we did.
Bubble Free may find a place on your Mac, if you like this kind of simple, 2D grouping game, but for many gamers it will be too simple and basic and there are better options of this nature out there.