What You Need to Know About Online Slots

Online slot games are computerized versions of the classic fruit machines that can be found at most casinos. These games use software based random number generators to determine the outcome of each spin. They also feature pay lines and symbols that trigger payouts.

Whether you prefer classic three-reel games with low volatility or five-reel ones with more winning combinations and bonus rounds, there is sure to be an online slot game to suit your tastes. However, you should know the basics of how these games work before playing them.


The symbols in slot games determine the payouts in each spin. These symbols can be regular or bonus, and may also include multipliers and scatters. The payout table of a particular slot game will specify how much each symbol is worth, and the number of symbols needed to trigger a winning combination. These symbols can vary from one online slot to another, and many have unique characteristics that make them more or less appealing to players.

In modern video slots, the symbols that are shown on the reels usually match the theme of the game. These symbols can be standard, or they can have special animations and characters to add to the excitement. Some of these symbols even have the ability to split into two, doubling the potential win.

Another feature that is popular with slot players is the expanding or sticky wild symbol, which stays in place for several spins and can help you complete a winning line. This can be especially useful in slot games with high volatility, which means that the symbols will appear often and sometimes will result in a big payout.


Paylines in online slot games are the lines that trigger a payout when matching symbols appear on consecutive reels. They can be either fixed or adjustable and may run in different directions. It is essential to understand how these work before you start playing a slot game so that you can maximize your winning potential.

To win on a payline, you must have at least three matching symbols in a row. There are several ways to arrange these symbols, but the most common is the left-to-right arrangement. Some slots even offer a ‘pay both ways’ option, which means that the winnings can be triggered from both sides of the slot.

Some online slot games also use a new system called ‘ways-to-win’, which eliminates paylines and rewards players when they have matching symbols on adjacent reels regardless of their position on the slot’s grid. This type of gaming is popular among casual gamers and can make it easier to win big prizes.

Bonus rounds

Online slots offer a variety of bonus rounds to keep gambling aficionados interested in the game. These special features add to the overall entertainment value of the slot and can boost a player’s bankroll. They can range from fancier themes to thrilling stories.

The amount of money a player wins for a given combination of symbols varies according to the paytable and is listed in the machine instructions. Some machines also include a gamble feature that resembles a mini game where players can try to double their winnings by guessing the color or suit of a card.

Bonus games are usually triggered by the appearance of specific dedicated, scatter, or wild symbols on the reels. They can also be triggered by landing a predetermined number of special symbols on the reels. Typically, these extra games involve a different screen and additional prizes. They are fun and easy to play. They also provide a welcome break from betting and spinning.


RTP, which stands for Return-to-Player percentage, is a mathematical measure of how much money players will win on a slot game over the long term. This number is calculated from thousands of individual results and is expressed as a percentage. It is not a guarantee of a winning session, but it can help you decide whether to play or not.

However, it is important to note that the RTP does not factor in the house edge. The house edge is the amount of money the casino keeps from players, which is why many people believe that RTP is a misleading statistic.

Nevertheless, many experienced slots players tend to choose games with a high RTP score. This is because these games have a high chance of paying out big wins in bonus features or during free spins rounds. These games also typically offer lower variance. In other words, they provide frequent small wins that will keep players playing for longer periods of time.