Categories: Gambling

How Online Slots Work

online slot

Online slots are a massive industry and there’s no shortage of different types. However, many players don’t understand how they work.

Many misconceptions exist about how slots work and whether or not they’re fixed. These misconceptions can sway your choice of online casinos and slots. Here are some tips to help you avoid these misconceptions.


Symbols in online slot games are the images or characters that represent payouts and bonus features. They are designed to match a game’s theme or storyline and are used throughout the paytable. Some symbols are even known to trigger bonus rounds and free spins. The symbols that appear on a reel vary according to the type of slot. Some of them are Scatter or Multiplier, while others have special functions, such as Sticky Wild, Soaring Wild, and Random Wild.

Some of the most popular slots have stacked symbols, which increase players’ chances of winning big prizes. These stacked symbols can land on any reel and multiply winnings by up to 1024 times the initial bet amount. However, these types of slots often have higher volatility models.


A payline is a pattern on a slot’s reels that determines whether you will win or not. While classic slots only have a single payline, modern online games can feature multiple lines that cover a wide range of directions. A winning combination on a payline should contain identical symbols, but this is not always the case.

The number of paylines can vary between different online slot games, and you should check the paytable to find out which ones are active in each game. You can also adjust the number of paylines in a game by clicking on the “Bet Lines” option or “Lines per Reel.” This way, you can decide how many lines you want to bet on. However, some online slots come with fixed paylines that you cannot change. These types of games require you to bet on all of the paylines to qualify for a payout. Moreover, they may not reward you for a winning combination if the matching symbols are not on an active payline.

Bonus rounds

The bonus rounds in online slot games can vary from simple mini-games to complex multilevel video game-like experiences. They can be triggered by landing special symbols on the reels, or they can appear as a separate feature within the base game. The number of triggering symbols varies, but three is common. Bonus rounds usually include extra Wild symbols and multipliers that add to your winnings.

These mini-games can be anything from a pick em style game where players choose one or more symbols to reveal coin prizes to a car chase bonus in Play’n GO’s Cops and Robbers. Some even offer more than just free spins and additional features, such as the Fluctometer and Quantumeter in the critter-fest Reactoonz 2.

Regardless of their complexity, all bonus rounds operate on the same principles: the software inside them uses random number generators to determine which symbols display on the reels after each spin. This technology is constantly tested by independent agencies to ensure that it cannot be tampered with by either casinos or players.


RTP in online slots is a statistic that can help players choose the best slot games. It combines the total number of wins against stakes to give each game a specific percentage return-to-player figure. This statistic helps players make informed decisions about their gambling habits, decreases the risk of reckless gambling and allows them to budget their money accordingly.

The average RTP for an online slot is around 96%. However, this varies from game to game. Games that pay less than this figure are considered worse to play and will not appeal to experienced players.

Some of the top online slot games with high RTP rates include Blood Suckers and Guns N’ Roses, both from NetEnt. These games offer dazzling graphics and a variety of bonus features, including wilds, scatters and multipliers. These features can increase your chances of winning big. They also provide an immersive experience with a range of themes that range from ancient Egypt to hit TV shows and popular musicians.

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