Due to demand of real slot machines, online slot machines were designed keeping customers in mind. There are varieties of slot machines online. The basic function of all virtual slot machines is as follows. First a player decides how much money is to be used for playing at a slot machine. After that the player decides how many coins are to be used at the time of spinning. At any slot machine a player can choose 1, 3 and up to 9 pay lines. The coin is put in a virtual slot machine and the rod is pulled. After the spin completes, a combination will be displayed. If the player is successful in getting the required combination, money will be automatically transferred to a player’s bank account.