Roulette numbers vary from 0 to 36 in most countries but in the USA they have a double zero 00 so the casino profit is greater as the payout odds remain the same. There are a variety of bets players can make, even and odd numbers, numbers that are shown in red or black or top, middle, bottom dozens. The more numbers covered, that will win your bet, the lower the winning odds are. This varies from even money for a simple 1 to 1 chance like red - black, high - low, odd - even, up to 35 paid for each 1 bet if you bet a single number.
You can actually play Online Roulette for real money right now, on your Desktop or Mobile Device. You can also find tips on how to play in the online environment safe and have the biggest winning chances. KingCasinoBonus.co.uk only reviews the Casinos & Games, and since they don't actually own the games, they most likely will give you honest tips & tricks on how to win.