Roulette is a gambling game based on the revolving wheel with 37 (European roulette) or 38 (American roulette) numbered tracks. The player makes stakes on the color of the track, on the number or a range of numbers and whether the number is odd or even. Then the croupier spins the wheel and then the ball.

Roulette is very popular in a range of casino gambling games. There are a lot of roulette strategies. The main is martingale strategy based on mathematical progression. The player constantly makes successive doubling of stakes in a case of losing so in a case of victory the player gets back the money lost at the previous stake plus 100% profit. This strategy was successful so casinos had to introduce limits on the maximal bet.

Almost every online casino can offer various roulette games if you want to learn new variations or to try your own strategy it is better to play free online casino games and of course you can find free roulette among them.

In the Internet there are a lot of so-called "professional players" who offer their own successful strategies (as usual these are variations of martingale strategy with changed succession of stakes.) They also advise the list of "preferred casinos" with the only drawback: they have the slight security defect. Such people really earn good money in casinos, but in a different way, they earn them from partnership programs that they conclude with online casinos. Online casinos pay them certain percent from loses of drew clients.

Online casino roulette gambling demands from a player much attention, choosing online casino player must remember that the confidentiality of his private data is the most important factor otherwise there is a big risk to face cheating.