Slots RTP Guide

Online casinos use several technical terms that you may have come across while playing. The bonus amount, wagering requirements, payouts, promotions, and many others are examples. You'll typically find the word 'RTP' in slots of nearly every type. This article will teach you the basics of RTP if you have no prior knowledge of this widely used term.

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Best Slots RTP

What does the term RTP stand for?

Return To Player, or RTP, is usually referred to as a percentage from a casino game or slot machine. Based on all the money you bet on a particular game or slot over a given period of time, this term describes what percentage you might win. The higher the RTP percentage, the more money you will earn over an extended period, and the more winning potential you will have over a long period.

Regardless of the casino you choose for playing the slot games, you will see that all slots can have different RTPs. It is possible for a slot machine at different online casinos to have a different RTP percentage.

How Does RTP work?

An essential thing to remember is that an RTP calculation is simply a theoretical one. In general, it cannot be considered 100% guaranteed. If there is a sizeable random win or an extensive line of losses, the defined RTP percentage will not be applied. It is based on wagers placed by genuine people on online casino games, and it provides only an average estimate for a particular game.

RTP is an acronym of Return To Player

According to theory, the higher the RTP percentage, the better the payout a player receives. The RTP of any game with a house advantage of 7% would be 93% (100% minus 7% = 93%). A player has a 93% chance of winning. For instance, there is a 0.5% house edge in blackjack. That means players have an RTP of 99.5%. An RTP of 100% indicates that a casino has lost money for the time period concerned on a specific game or slot.

How Can Players Calculate RTP?

A player who wants to calculate how much money they will earn during the specified period of time can easily calculate their RTP. The following formula can be used to calculate this number:

It's the amount that gamers have won (total winnings) minus the amount of money they bet (total wagered)

An individual player/gamer's total winnings for a round can be defined as the amount they won based on the game's paytable.

Players earn the total amount of their bets by adding their first bet from each round over an auditing period, typically one month.

RTP slots with high payouts

When it comes to slot strategy, knowing the RTP percentage is essential. Using it can determine how much a slot machine pays out to its players as a percentage. Below you will find a comprehensive list of top RTP slots from leading software providers of the gaming industry:

  • Mega Joker Slot from Netent has an RTP of 99.1%
  • Cosmic Quest – Mystery Planet Slot from Rival Gaming -  98.95% RTP
  • Jackpot 6000 Slot from Netent - 98.86% RTP
  • Chess Mate from Multislot - 98.70% RTP
  • Starburst Slot from Netent – 98.70%
  • Rainbow Riches Slot from Barcrest – 98.1% RTP
  • Immortal Romance Slot from Microgaming – 98.1%
  • Bonanza Slot from Big Time Gaming – 97.8%
  • Amazonia Slot from Merkur Gaming – 97.7%
  • The Dark Knight Slot from Microgaming – 97.6%
  • Blood Bank Slot from 1x2 Gaming – 97.32%
  • Eyes of Horus Slot from Merkur Gaming – 97.2%
  • Double Bubble Slot from Realistic Games – 96.1%
  • Book of Dead Slot from Play n Go – 94.2%

Choose slot machines with top RTP rates, impressive graphics, generous bonus features, and attractive themes when choosing ones to play. There are many factors to think about.

Random Number Generators (RNG) and RTP

Slot machines use random number generators with every spin. A random number generator indicates that the results of the spin are generated randomly. During the gameplay of online slots, random number generators control the entire system.

Therefore, using the results of the past games to determine the outcome of future spins would be counterproductive. Since everything is performed randomly, it is impossible to predict how often a payout will occur from a slot machine's RTP.

An analysis of the relationship between RTP and house edge

In reality, RTP is the inverse (opposite) of House Edge. The RTP shows the potential for the Player to win, whereas the House Edge shows the casino's benefit. The house edge is the percentage of stakes or bets that the online casino takes.

To determine the edge of a casino, you don't need a calculator or complicated formula. Subtract the RTP percentage from 100%. If the RTP of a casino is 92%, then the house edge will be 8%.

How Are RTP and Winning Frequency Related?

There is no way to predict the frequency of your wins based on the RTP value. A Return To Player percentage alone cannot convey a complete picture of the winning story. If one slot has a 94% RTP, an 8-spin payout will happen every eight spins, and if another has the same RTP, a 4-spin payout will happen every four spins. Variance is what we call it. It is called high variance slots when the payouts are infrequent and those with significant winnings.

RTP Accuracy: How Can It Be Measured?

Regulators have demanded in recent years that video slots be tested for Return to Player before release. In September 2016, the United Kingdom (UK) Gambling Commission requested that gaming operators track the performance of slots regularly. The commission thought that slot developers might have created games with a reduced RTP over time through techniques, hidden code, or any errors in the slot's execution process.

The Actual RTP is a new concept that gives you a more accurate representation of the Return on Investment.

To calculate the actual RTP, you can use the following formula:

A casino's actual RTP is calculated as (total amount players won) / (total amount of money a casino earned from players' wagers on that slot) x 100

There is a substantial difference between theoretically declared, and actual RTP calculated.

Let's take a look at a Double Bubble Slot with a theoretical RTP of 96.1%. This slot was tested for a specific month, and it was found that players won a total of £175,000. The casino earned £200,000 in slot turnover from player bets. You can calculate the RTP of this slot using the following equation -

The combination of (175,000)/(200,000) x (100) equals 87.5%

You can see there is an 8.6% difference between theoretical and actual RTP. This will result in an 8.6% increase in profit for the casino.

Why Do Progressive Slots With Large Jackpots Have Lower RTPs?

Progressive slots with a large jackpot generally have a lower return to Player than other slots? In terms of RTP, you will find that it is mainly in the 80s to 90s. The reason is that large jackpot payouts are made to players who win the jackpot. A player who triggers a large jackpot (thousands of dollars) usually results in lowering the RTP to compensate for another player's jackpot. Therefore, if you want to enjoy more spinning, then choose non-progressive slots with a higher RTP. When it comes to earning a million dollars, progressive slots are a perfect choice.

What is the impact of volatility on RTP?

The volatility or variance of Return to Player is also related to the house edge and frequency. Low, medium, and high are used as expressions of the range between 0 and 10. A slot machine may have the same return to the player percentage as another, but the volatility may differ from one to the other.

One of them may have low variance, and another may have high volatility. There will be frequent wins on low volatility slots, but they will be small. Additionally, slots with high volatility won't pay in most cases, even if they are played for many rounds. However, when it finally gives a win, the reward will be more significant. Slot machines with medium volatility offer a satisfying balance between winning frequency and amount.

Slots RTP Final Thoughts

If you are choosing a slot based on the RTP, don't overlook other important factors. Return to Player, no matter how low or high, cannot guarantee an exact value. In other words, when you are choosing slot machines, you need to pay attention to the amount of money you can afford to bet, the types of available bonuses on offer, and most importantly, the fun features. You can have fun playing a slot machine without losing your budget if you choose the right one.


In a nutshell, RTP stands for "Return to the player." Perhaps you have heard the term RTP and have wondered what it means to you as a player if you adore playing online slots. For those of you who are new to online gambling, RTP means Return to Player.

Looking at reports from gaming jurisdictions is one of the best ways to find RTP data on slot machines. You can find general information on what payback you can expect from different casinos in these records. Even if you do not win, you may find a payback percentage for the popular games.

#1 Mega Joker (NetEnt) – Up to 99% RTP

Jackpot 6000 boasts an extremely high RTP, but it is beaten to the top position by another classic slot from NetEnt, Mega Joker. With just one coin, the RTP is an underwhelming 76.9%. On the other hand, a maximum bet of 10 coins elevates the RTP to between 89.1% and 99%.

Mega Joker is a classic; traditional style slot brought to you by NetEnt, one of the biggest game developers in the world.

A simple slot machine is offered with familiar fruit symbols and the chance to win a progressive jackpot in the game.

#2 Cosmic Quest – Mystery Planets ( Rival Gaming ) – Up to 98.95% RTP

Developed for Rival Gaming in 2009, Cosmic Quest Mystery Planets is an online slot machine with a space and alien theme. The sequel to Cosmic Quest Mission Control features the same light-hearted atmosphere, where players can roll the reels to explore the vast reaches of space.

Its features include Expanding Wild symbols that multiply wins based on how many are present on the screen, Free Spins with multipliers of x2, and a fun Bonus round where you have to pilot a spaceship and dodge asteroids. It ticks all the boxes of a must-play title.

#3 Jackpot 6000 Slot ( Netent ) Up to  98.86% RTP

In this tiered-jackpot fruit slot machine from Net Entertainment (NetEnt), players have five pay lines and three reels.

Select one of the game's betting levels to begin playing the Jackpot 6000 video slot game. The betting levels are 1, 2, 4, 6, 8, and 10. It is determined by the type of bet level that a player chooses that determines the types of lines available. Jackpot 6000 has four coin values: 0.10, 0.20, 0.50, and 1.00.

If players win in Jackpot 6000, they can carry this winning luck over to the Heads or Tails doubling game. When playing Heads or Tails, players have a one in two chance of winning. So long as they keep winning, players can keep playing Heads or Tails.

To let all your winnings ride, click the Heads or Tails button, or only use part of them, click the Transfer button. Every time you hit transfer, 20 credits are saved. Players who don't wish to play Heads or Tails can click the collect button to cash out.

What are the formulas used to calculate RTP? RTP can be calculated by taking the total amount returned to players and dividing it by the total amount they gambled.