This game needs the Unity Web Player plug-in, if after a while the game doesn't load... you have to download and install this plug-in, it's also recommended that you restart all the pages on your web search engine after installing (especially if you use Internet Explorer)
Click on the unity logo and follow the instructions the owners of the plug-in give you to download and install the plug-in.
Compete against a friend in a two-player game and fill up your opponent's screen with gems all the way to the bottom. Destroy three of the same color so another line appears on their screen. Remember that you have to have the Unity 3D plugin installed to play.