In short, if you are going to play roulette, French variant must be your first, and European variant your second choice. In this variant, additional betting options are available, and the house edge ratio drops to 1.35%. The variant known as “French Roulette” is considered to be the best type in which players have the highest chance of winning. For this reason, the house edge ratio of European roulette is 2.70% while the house edge ratio of American one is 5.26%.īut that’s not all: According to the rules, the European roulette is divided into some sub-categories. There is an additional “00” section on American version, so the advantage of the casino ( house edge ratio) is slightly higher. So if the ball stays at 0, the casino wins. They consist of numbers from 1 to 36, and “0” is traditionally belongs to the casino. There are 38 numbers in American and 37 in European roulette. The most obvious difference between them is the number of digits on the wheel. In general, we can say that there are two basic variants: American and European. Even some of them have different themes, like Viking slots games, and they can be divided into different categories according to their themes. Betting options and chances of winning differ for each variant. There are many variations of the game of roulette. 10 Best Roulette Games in Online Casinos If you think all roulette games are the same, you’re wrong.