A man named Charles Fey developed the first commercially successful slot machine in his San Francisco machine shop around 1896. Made of cast iron with three internal reels, a slot for taking in coins and an external lever for activating the machine, it quickly became a staple of saloons, gambling houses and even many retail stores (where patrons would trade their winnings for goods from the store hence the term 'trade goods').
Each reel has a number of symbols on it (typically 10 to 20 but it varies greatly depending on the machine), and pulling the lever causes the reels to spin quickly. When the reels slow down independently, each will randomly display one of the symbols through a viewing window in the machine. Depending on the combination of symbols showing, the player will win different payout amounts often many times the original bet.
To play the slot machine just drop casino chips into the slot and pull the handle (by clicking on it) or click the SPIN button to rotate the reels. The reels will spin independently and then come to rest randomly on various symbols at the Play Line (a horizontal line running across the reels). If the reels stop at a winning combination according to the posted payout table, the machine will pay out the indicated amount by increasing your coin credits (shown as a CREDIT meter on the machine face).
You can drop as many casino chips as you wish into the slot. Putting chips in the slot increases your coin credits based on the coin setting for the machine and the dollar value of the chips. Each slot machine can be set to play $0.25 coins, $1 coins or $5 coins. If you put a $10 casino chip in a slot machine with a $1 coin setting, your coin credits will be 10. If you change the coin setting to $0.25, your coin credits will increase to 40 (for a $10 chip).
The number of coins bet per game (a pull or spin) can range from a minimum of 1 coin to a maximum of 3 coins. The setting for the number of coins bet per game is shown in the COINS BET meter. The machine sets coins bet to 1 by default. If you want to bet two coins, click BET ONE to increase your bet by one coin. (If you click it again, your bet goes to 3 coins, and once more will bring the bet back to 1 coin). You can click BET MAX to set coins bet to 3. Once you set the coins bet number, the machine will use this value for each pull or spin until you change it to another value.
Payouts are as shown in the payout table at the top of each slot machine game. We have a variety of slots games, each with unique themes and different payout tables. The payout tables have rows containing the payout amounts for various winning combinations of reel symbols at the play line. Each combination has 3 possible payout amounts, depending on the number in the coins bet meter. As you change the coins bet value, the vertical column of payout amounts for that coins bet number will be highlighted.
When you are finished playing, you can click COINS OUT to exchange your coin credits for casino chips. As the coins come out of the machine, the number of credits will be multiplied by the coin value setting ($0.25, $1 or $5) and the resulting amount will be added to your casino account balance.