Online games use random number generators (RNGs) to ensure their odds match the payout of land-based casinos. Mathematical analysis should indicate the payout will average over time.

If you're playing alone, sometimes you will be given the option to digitally spin the wheel  yourself, but in some solo and all multiplayer online roulette games, you won't be in charge of when the wheel is spun. The wheel spin  in online roulette is simulated by a Random Number Generator, or RNG.

What is the most successful roulette strategy? While there is no strategy that can guarantee a profit in the long run when playing roulette, the Martingale betting system is often regarded as the most successful strategy. It is easy to use and can provide good returns.