Can online slots change RTP? The Answer Might Surprise You

If you are an online slot enthusiast, you may have come across the term “RTP” before. RTP, or return to player, is a percentage that indicates the expected return that a player can receive from a particular slot game over a period of time. However, there is a common misconception that online slots can change their RTP, leading to suspicions that players are not always getting a fair deal. 

Online casinos can only change their RTP rates in collaboration with the software providers and developers that made specific slot games for them. Also, it should be announced and properly listed on the online slot specification page before the players place their bets. RTP rates cannot be affected by the players and their bets or online casinos during the gameplay. That’s how fair, safe and reliable online casinos should act to never manipulate or scam the players.

To take a closer look into the whole story and answer this question more precisely, this blog post is here to reveal all the details about RTP rates and how to maximize your winnings playing only fair and safe casino games. Make yourself comfortable and let’s dive into it.

The Science Behind Online Slot RTP

The return to player (RTP) is a vital component of online slot gaming, and understanding the science behind it can help players maximize their winnings. The RTP is calculated by taking the total amount of money wagered on a slot machine and dividing it by the total amount of money paid out to players. This figure is expressed as a percentage and represents the expected payout of the slot machine over time. 

However, the RTP is not a guarantee of how much a player will win, and there is always the possibility of variance. Online slot RTP involves complex mathematical algorithms and formulas that determine the probability of a player winning on a particular slot machine. Several factors can affect the RTP, including the game’s volatility, the number of paylines, the symbols on the reels, and the bonus packages. With all of this in mind, players can make clear decisions about which games to play and how to optimize their chances of winning.

The Role of RNG in Online Slot RTP 

One of the key components of online slot machines is the random number generator (RNG). The RNG is a complex computer algorithm that generates random outcomes for each spin of the reels. This is a crucial factor in determining the RTP of a slot machine, as it ensures that each spin is completely random and independent of any previous spins. The RNG is constantly working in the background, producing millions of potential outcomes for each spin. 

When a player hits the spin button, the RNG selects one of these outcomes, which determines the symbols that appear on the reels and the resulting payout. The use of RNG technology ensures that the results of online slot games are entirely fair and unbiased, and it is regularly audited by independent third-party organizations to ensure its integrity. Without the RNG, online slot machines would not be able to deliver the exciting and unpredictable gaming experience that players crave.

Relationship Between Online Slot RTP and House Edge

Two important concepts to understand when it comes to online slot machines are the return to player (RTP) and the house edge. The RTP is the percentage of wagered money that a slot machine pays back to players over time, while the house edge is the percentage of all wagers that the house (casino) can expect to keep over time. 

These two concepts are closely related, as they are two sides of the same coin. The RTP represents the portion of the house edge that is returned to players, and the difference between the two is what the house keeps as profit. For example, if a slot machine has an RTP of 93%, the house edge would be 7%. 

However, it’s important to note that the house edge is not a measure of how much a player will lose, as there is always the possibility of variance. The relationship between online slot RTP and the house edge is a delicate balance, and game developers must strike a balance between creating a game that is both entertaining and profitable for the casino.

How Online Slot Providers Determine and Set the RTP

Online slot providers face the challenging task of setting the return to player (RTP) for each game they offer. It’s a process that requires a delicate balance between providing a fair and exciting gaming experience for players and making a profit for the casino. So how do they do it?

The process of setting the RTP involves a rigorous analysis of each game’s design, mechanics, and features. Game providers use complex mathematical algorithms and models to calculate the expected payouts of each game. They must consider a range of factors, such as the game’s volatility, paylines, symbols, and bonus features, to determine the optimal RTP. 

For example, a game with a high number of paylines and bonus features may have a lower RTP, as the potential for larger payouts is higher. Conversely, a game with a lower number of paylines and fewer bonus features may have a higher RTP, as the potential for larger payouts is lower.

To illustrate, let’s take the popular online slot game Starburst as an example. Starburst has an RTP of 96.09%, which is considered a relatively high RTP for an online slot game. The game has ten paylines and features expanding wilds, re-spins, and a maximum payout of 500 times the bet. The game’s design and mechanics are carefully crafted to provide an exciting and enjoyable gaming experience while maintaining a fair RTP that gives players a good chance of winning.

It’s worth noting that the RTP is not a guarantee of how much a player will win, and there is always the possibility of variance. Additionally, the regulations governing the setting of the RTP vary depending on the jurisdiction, with some countries requiring a minimum RTP for online slot games.

How to Find High RTP Online Slot Games

If you’re an online slot lover, you may be wondering how to find high return to player (RTP) online slot games. The RTP is a critical factor in determining the expected payout of a slot machine, and finding high RTP games can increase your chances of winning. Here are some tips on how to find high RTP online slot games:

  1. Check the game rules: Most online slot games provide information on the game’s RTP in the rules section. Look for games with an RTP of 96% or higher, as these are generally considered high RTP games.
  2. Do your research: Many online slot review sites and forums provide information on the RTP of various slot games. Use these resources to find high RTP games that are popular among players.
  3. Look for games with low volatility: Slot games with low volatility tend to have a higher RTP, as they offer smaller payouts more frequently. High volatility games, on the other hand, tend to have a lower RTP, but offer the potential for larger payouts.
  4. Consider the game’s bonus features: Some online slot games offer bonus features that can increase the game’s RTP. Look for games with free spins, multipliers, and other bonus features that can increase your chances of winning.
  5. Play games from reputable providers: Established online slot providers are more likely to offer high RTP games, as they have a reputation to maintain. Look for games from providers like NetEnt, Microgaming, and Playtech, which are known for their high-quality and fair games.

We at GuruCasinoBonus have a huge game selection of different slot game types, so take a closer look to choose the best ones. We can divide the following ones for you:

Keep in mind that the RTP is not a guarantee of how much you will win, and there is always the possibility of variance. However, playing high RTP games can increase your chances of winning and make your slot gaming experience more enjoyable.

The Pros and Cons of Playing High RTP Online Slot Games

Playing online slot games with a high return to player (RTP) has its advantages and disadvantages. On one hand, high RTP games offer players a better chance of winning, while on the other hand, they may not offer the same level of excitement or potential for large payouts as low RTP games. Here are some pros and cons of playing high RTP online slot games:


  1. Better chance of winning: High RTP games have a higher payout percentage, which means that players have a better chance of winning.
  2. Longer gaming sessions: With a higher payout percentage, players can enjoy longer gaming sessions and potentially win more over time.
  3. More enjoyable: High RTP games can be more enjoyable for players as they offer a better chance of winning and can keep the excitement going for longer periods.
  4. More frequent wins: High RTP games tend to offer more frequent wins, even if they are smaller in size. This can keep players engaged and entertained over longer periods of time.
  5. Lower risk: Playing high RTP games can be less risky than low RTP games, as the potential losses are lower.


  1. Lower maximum payouts: High RTP games often have lower maximum payouts, which means that players may not be able to win as much as they would in low RTP games.
  2. Smaller jackpots: With lower maximum payouts, high RTP games may not offer the same level of excitement as games with large progressive jackpots.
  3. Fewer bonus features: Some high RTP games may offer fewer bonus features, which can make the game less engaging and enjoyable for some players.
  4. May be less popular: High RTP games may not be as popular as low RTP games, which means that players may have fewer options to choose from.

Players can enjoy and potentially earn more money playing high RTP online slots. In order to maximize their chances of winning, players should choose games with a higher payout percentage and always play responsibly for the best gambling experience. 


  1. What is the average RTP of online slot games?

The average RTP of online slot games can vary, but it is typically around 96%. However, this can range from as low as 90% to as high as 98%.

  1. Do high RTP games have a lower house edge?

High RTP games may have a lower house edge, as the percentage of wagers that the casino keeps is lower. However, it’s important to note that the house edge is not solely determined by the RTP and can be influenced by other factors, such as game volatility and bonus features.

  1. Are progressive jackpot games typically low RTP?

The RTP of progressive jackpot games can vary, but they tend to have a lower RTP than non-jackpot games. This is because a portion of each wager goes towards the jackpot, which reduces the amount that can be paid out in regular payouts.

  1. Can bonuses and promotions affect the RTP of online slot games?

Bonuses and promotions typically do not affect the RTP of online slot games. However, some promotions may offer free spins or other bonuses that can increase the player’s chances of winning.

  1. Are low RTP games always less profitable than high RTP games?

Low RTP games are not always less profitable than high RTP games. The profitability of a game is influenced by a range of factors, including the game’s popularity, the amount of money wagered on the game, and the variance of the game. A low RTP game may be more profitable if it is popular and attracts a large number of players who wager significant amounts of money.

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