On average, one third of the casino's total revenue is generated by Slot machines. Compared to other casino games such as Baccarat, Blackjack, Craps and Roulette, Slot machines have a number of advantages which explain their popularity among casino players. Some of these advantages include the following:

Easy to understand:

The Slot machine is probably the easiest game to understand and play. One simply decides on how much money to place on each bet, and how many lines to bet on, before pressing a button. There are absolutely no skills required.

Cheaper to play:

Unlike a game of Blackjack or Roulette, where the minimum bet costs a few dollars, Slot machines offer the player minimum bets ranging from one cent to a few dollars per spin, therefore allowing the person to play up to one hundred games for only one dollar.

Play at your own pace:

There is no time limit between spins. A player may take one minute or one hour between each spin without experiencing the pressure of having to quickly place a bet before the next game begins. This means that the games can last as long as the player wishes.

Large variety of game themes:

There are literally hundreds of Slot machine designs with many different game themes, graphics, lights and sound features. While the nature of the game is basically the same from one slot machine to another, being able to choose from a wide variety of different game themes makes each Slot machine seem rather unique.

Single player game:

Since it is a single player game, there is no pressure to play against others. One does not need to interact with any other person during the course of the game. This is a particularly attractive advantage for persons who are very shy or unable to speak the language.

Bonus features and free spin games:

Unlike the classic game of Blackjack or Roulette, most Slot machines offer bonus features which include free spins and a chance to win real money for free.

Eating, drinking and smoking:

Many Slot machine establishments allow players to eat, drink or smoke while playing the game. This adds to the player's sense of enjoyment and freedom without having to worry about what other players are thinking or how they will react.

No pushing or shoving:

Unlike a game of Roulette where players often push and shove their way between other players in order to place a bet, one does not need to tolerate such behavior when playing Slots.

Real money:

While classic casino games are played with plastic casino chips, Slot machines are played with real money notes and coins, making the gambling experience much more realistic for the player.

Privacy:

Being a single player game, one is able to bet as much or as little on any game without the knowledge of other persons. This is a significant advantage considering the fact that one does not want to attract the attention of any questionable characters by betting large amounts of money in open view of a group of people.

Given these set of facts, it is no wonder that Slot machines are one of the most popular games in a casino, often generating approximately one third of the total casino's income.