Boost Your Value with These High RTP Online Casinos

B. Atanasov
Boris Atanasov is an iGaming writer with over four years’ experience, creating engaging content on slots, video poker, roulette, and blackjack.
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When choosing an online casino, most players base their decision on criteria such as licensing, game diversity, bonuses, and loyalty rewards. Many, however, overlook the return-to-player (RTP) percentage, which is one of the most important factors to consider when deciding where to wager real money.

Commonly abbreviated as RTP, this percentage is an integral component of all casino games and ultimately determines how much of the wagered money players win back in the long term. All properly licensed casinos must display information about their games’ return percentages, allowing players to draw comparisons and make better-informed choices when deciding where to bet.

In a highly competitive market, the best regulated gambling sites provide players with higher overall return percentages. In turn, this means the odds are less tilted in favor of the casino, and you play against a lower house edge.

In the following article, SuperCasinoSites explains in detail what RTP is, how online casino games are tested for fairness, and who performs these tests. We finish with a shortlist of the highest-value online casinos in terms of RTP to spare you the legwork of finding them on your own.

RTP and House Edge – Two Sides of the Same Coin

The return to player (RTP) reflects the proportion of money wagered that players receive back by way of monetary prizes. One way to calculate the RTP is by dividing the overall amount won by players in the long term by the total amount they have wagered on a given casino game.

Return to Player = Overall amount won by players / Overall amount players have wagered

In games without strategy, where no element of skill is involved, players can arrive at the RTP percentage by subtracting the house edge from 100%. Common examples of such games include roulette, craps, and slots, where it is impossible for players to affect the odds in any way and tilt them in their favor.

Theoretical RTP in Chance-Based Casino Games = 100% – House Edge %

One important thing to note is that the greater the number of trials, i.e., the rounds you play, the more accurate the information you gain about a casino game’s actual return percentage, and the more precise the above equation becomes. By precise, we mean the two components of the equation come closer and closer to 1 as the number of trials increases.

Thus, the theoretical return of casino games is equal to 100% – House Edge % whereas the actual return is (100% – House Edge %) / Return to Player > 1. People tend to use the terms RTP and theoretical return interchangeably, but there is a difference between the two. The number of rounds required to reach the advertised return percentage depends on whether a game is compensated or completely random. Now, let’s examine the difference between the two.

Compensated vs. Random Game Control

Games that include feedback compensation in their software are called “compensated” games. Conversely, games that rely entirely on random software are referred to as “fully random” games. With this distinction in mind, consider the following two points.

1Pseudo-Random Number Generators (PRNG)

The term “random” typically refers to pseudo-randomness in the context of gaming machines and online casinos. Most online casino games rely on pseudo-random number generators (PRNGs) to produce their outcomes. PRNGs use initial seed numbers and complex mathematical algorithms to deliver results that appear random but are, in fact, deterministic.

2True Random Number Generators (TRNG)

Although the results are impossible to predict with certainty, a PRNG sequence will eventually repeat itself. In contrast, true random number generators (TRNGs) rely on genuinely unpredictable physical phenomena to create random numbers instead of mathematical calculations. Common examples include atmospheric noise and radioactive decay.

3PRNG vs TRNG

Both compensated and completely random games generate their results with the help of RNGs. However, the number of rounds required to reach the advertised return percentage differs between the two. Compensated games usually hit their target return after tens or hundreds of thousands of rounds, whereas their fully random counterparts may require millions of cycles to arrive at the expected RTP.

RTP in Compensated Games
RTP in Completely Random Games

How Different Casino Games Rank in Terms of RTP

Let’s take a quick look at several examples to illustrate how RTP works across different casino games. For simplicity, we’ll start with the wheel-based game of roulette, where outcomes are entirely based on chance and completely independent of one another.

1Roulette

A single-zero roulette game carries a house edge of 2.70%, which means the theoretical return to player is 100% – 2.70% = 97.30%. After enough spins, the probabilities even out, and players will lose about 2.7 cents for every dollar wagered. Add an extra zero for 38 numbered pockets on the wheel and the player return drops to 94.74%, with a house edge that is twice as high at 5.26%.

2Craps

Similar to roulette, craps is a chance-based game of independent trials. One major difference is that house edges and player return percentages vary across the board depending on the bets you make. A player who bets the pass line without odds faces a house edge of 1.41% and will win back about 98.59% of their total wagers over time. The contrast is stark when you compare pass line wagers with Big Red (Any 7) bets, which carry a house edge of 16.70% and return only 83.30% of total wagers in the long run.

3Video Poker

Return percentages in video poker depend on payouts, which is why comparing the games’ paytables at your preferred casinos is essential for long-term profitability. Let’s assume Casino A offers a 9/6 paytable for Jacks or Better video poker: flushes pay at odds of 6 to 1, whereas a full house yields a 9 to 1 payout.

In one such “full-pay” variation, the overall return to player is high at 99.54%. Meanwhile, Casino B offers 8/5 Jacks or Better, where the lower payouts for a flush and a full house reduce the RTP to 97.30%. A sensible Jacks or Better player would choose to play at Casino A rather than Casino B any day.

4Slots

When it comes to slots, return percentages vary widely, usually ranging from 80% to 99%. House edges and returns to players are influenced by many factors, including paytables, combinations, and in-game features. The good news is that most properly regulated casinos publish the percentages of their entire slot catalogs, allowing players to check and compare each game’s RTP. Another way to find a slot’s player return is by opening its help section, where such information is normally available.

The above-listed games (except video poker) rely on pure chance and require no strategy. Most also have a high hit frequency, especially even-odds bets in roulette and pass line wagers in craps. Keep in mind that the lower a game’s win frequency is, the more rounds are needed for it to reach its target return percentage.

Theoretical vs. Actual Return to Player
RTP of Online Casino Games Played with Strategy

Key Independent Test Houses of Online Casino RTP

All reputable regulatory bodies, including the MGA and the UKGC, require their licensees to submit their game catalogs to regular audits. This practice ensures that all games converge to their expected theoretical return percentages. It also instills confidence in the games’ fairness and proves they produce unbiased results.

Regulators such as the UKGC (UK Gambling Commission) typically require these audits to be conducted by approved test houses. The testing agencies are independent to avoid conflicts of interest and to guarantee objectivity. They evaluate the output of the Random Number Generators used by casinos over a specific period, such as a month.

One such test can involve millions of rounds. In online roulette, for example, it verifies that the RNG consistently produces random results, with each number from 0 to 36 having an equal chance of hitting.

Below are some of the key test houses that audit online gambling games. If your chosen casino bears the stamp of approval from one of these agencies, you can rest assured you are playing fair games.

eCOGRA
Gaming Laboratories International (GLI)
NMi (Nederlands Meet Instituut)
Gaming Associates (GA)

Highest Value Online Casinos Based on RTP

In a highly saturated market, gaming sites try to outperform their rivals by offering higher Return to Player (RTP) percentages. This results in lower house edges, better winning chances, and greater long-term profits for players. The challenge is that identifying the best value can take hours, if not days, of research.

We have done the heavy lifting for you, providing a shortlist of online casinos with high RTP percentages. Each site undergoes regular audits by the test houses mentioned above and publishes the results on its website, enabling players to compare RTPs and choose the most rewarding games. On top of that, our recommendations feature excellent game selections, fast payouts, and first-rate promotions.

Skol Casino
Videoslots
Casino Action
UK Casino Club
Fruity Casa
Hello Casino