Moonstone is a beautiful variation of connect 4 games where you click on adjacent jewels to exchange their positions in a bid to make 4 or more jewels of same color come into a line. This line could be horizontal, vertical, or even diagonal. If you want to pass your spare time in style so that you have unbridled fun and entertainment without putting burden on your brain. Moonstone is the online video game to play. There is also a feature of hint when you cannot think of a move to align 4 or more jewels. When you make special combinations, you earn special gemstones in the game. When you have a certain number of combinations in the game, a level gets completed and you advance to a higher level. Difficulty level increases when you reach higher levels but you remain motivated and continue to play until it is no longer possible to make a combination of moonstones. There are special features like a stone that has the power to destroy chosen jewels, jewel with double energy, and the glowing gems that you get in the game. All in all, Moonstone is great fun for you in your spare time that provides entertainment and loads in a flash.