There are many different slot machine games. Jackpot size, combinations, symbols, size and number of coins allowed in each play vary as well. Included in these games are the popular Video Poker games. Modern slot machines are completely electronic. Symbol combinations come up randomly and machines are pre-programmed to return a certain percentage to the players.
Slots account for a good portion of a casino's action and winnings.
They are simple to use, inexpensive to maintain, and require little or no skill to play.