Before going to play any games you need to understand the nature of the games and rules and regulation of the game. The higher authorities frame some standard procedures, so you are in the position to follow those rules. Without knowing the full rules you should not able t play the game effectively. The game consists of roulette wheel and one ball. The ball is placed in the roulette wheel. Now the gambler or some other middle person rotates the roulette wheel. Gambler objective is to choose the number which is ball actually going to rest perfectly. Sometimes it may differ like group of numbers instead of single numbers. The roulette wheel is separated in to 36 compartments. The European version of game differs from other type of games, because additionally zero or 0 is added in the roulette compartment. Totally 37 compartments are seen in the European roulette casino games. There is a presence of more grids on the roulette wheels, which is otherwise known as bets. Initially gambler needs to fix the bet with the casino or other opponents. The la roulette en ligne is also a similar type of roulette game but rules of the game may differ sometimes. It is a kind of linear unit game but working on same principle.