No, Roulette is not considered to be the profitable game in the long run due to casino's built in house edge. But casino can make money than its loses in the short period of time. A experienced gambling player can manage to prevent the loss choosing European roulette rather than American roulette. There is no proven fact to win the game while players only benefit from short time profits. This is why Roulette is preferred to be an entertainment rather than to make money. But if you're looking for an entertainment - roulette is the best choice to experience fun. https://maticz.com/roulette-game-development