So in this if the ball falls on ‘0’, all 50/50 bets lose half of their original stake. The house in case of these two tules is 1.35%. French Roulette: This is similar to the European Roulette, except for two extra rules, La Partage and En Prison.European Roulette: In European Roulette there are 1-36 numbers, in addition there is a ‘0’ (single zero).American Roulette: In American Roulette there are 1-36 numbers, in addition there is a ‘0’ (single zero) and ’00’ (double zeros).There are ten types of roulette games that are played: