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Reels of Rio Slot - Review, Free & Demo Play

Reels of Rio
Reels of Rio
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Updated: 22.07.2025
Reviewed by: Joe Booth
Does the fact that the Reels of Rio slot machine, first presented to the public by the Spinomenal company on 04/02/2022, remains one of the most popular games for players at various online casinos, surprise you in any way? After gaining an awareness of its characteristics, capabilities, and various other advantages, you will have a better comprehension of why things occurred in that manner. In addition, we will inform you about its return to player percentage (RTP), whether or not it is compatible with mobile devices, where you can play the demo version, and a great lot of additional information.

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In this review
  1. Slot details
  2. Theme
  3. Bonus Rounds & Free Spins
  4. Summary
  5. Where to play
General information about Reels of Rio slot

General information about Reels of Rio slot

Rating by Joe Booth:
7.8
Spinomenal
Write a review +25 SJ points
  • Release Date:
    04.02.2022
  • Volatility:
    Medium
  • RTP:
    95.8%
  • Multiplier:
    No
  • Max. win:
    1,000x
  • Bonus game:
    No
  • Free spins:
    Yes
  • Scatter Symbol:
    Yes
  • Wild symbol:
    Yes
  • Symbol Stacked:
    Yes
  • Jackpot Game:
    No
  • Slot lines:
    30
  • Slot reels:
    5
  • Layout:
    5-3
  • Stakes range (€/£/$):
    0.3 to 300
  • Slot Theme:
    Rio Carnival
  • Technology:
    HTML5
More infoLess info

Licensed and tested by

  • Gambling Comission
  • MGA
  • ONJN

How to Play

Find instructions for slot machines here:

  • Enter the main casino lobby where the game is located
  • "Begin the action"
  • Choose your wager for each turn €0.3-300
  • Before playing, ensure you are familiar with the game's rules and payout structure
  • Adjust the parameters as required. Spin the slot

Spinomenal is responsible for developing the online slot game Reels of Rio. The maximum return to player percentage is 95.83 percent, with five reels and 30 paylines in this game. Wild symbols, free spins, and stacked symbols are some of the features included in this game. You should go to Rio and make the most of the Buy Feature choice and the free spin pick offered by Spinomenal. Together, these features allow you to win up to 1,000 times the amount of your wager. This carnival-themed slot machine game has five reels and 30 paylines, and stacked symbols—the subject of the game in Brazil.

Reels of Rio RTP and Volatility

7.8 
The RTP of this slot is 95.83%, and its volatility is average.
Unfortunately, the RTP of this slot is far from average and is only 95.83%. This is low, especially considering that the volatility of the place is average. This selection of free Spinomenal slots has a variety of return-to-player percentages (RTPs) that may vary anywhere from 88.36 percent up to 95.83 percent.

Theme

8.5 

If you like the atmosphere of the Brazil Bomba slot machine, you might also enjoy playing the Reels of Rio game. It will take you to a neon-filled carnival world complete with a funky musical backdrop and symbols such as masks, toucans, and drinks on the slot machine's reels. Even if you don't win anything, you get to take in the fun ambiance of the carnival while you play.

There are royal symbols that can award prizes lower for five-of-a-kind, and there are medium icons that can seem stacked but still pay out the same as they would if they were the 1x1 versions of themselves. The following image icons have the potential to award five-of-a-kind prizes: Masks, Toucans, Drums, and Cocktails.

A further maximum reward is provided by the wild symbols, which, in addition to being able to substitute for any character other than the icon representing the free spins bonus to assist you in creating winning combinations, will also pay out up to 1,000 times your line wager for matches of five of a type.

Theme
Reels of Rio Slot - Paytable

Mobile Compatibility

Reels of Rio Slot Mobile
In the modern world, most of our time is spent on mobile devices. What does this mean for the designers of slot machines? Because many players find it more convenient to play on a smartphone, a mobile version of the game must be developed. The online slot machine, happily created in HTML5 style, allows you to play on any device. For instance, the slot game may be launched immediately from the mobile browser. It is a delightful experience!

About Spinomenal

While the online gaming business is already saturated with software developers, Spinomenal is one of the more recent companies to enter this field. However, it remains committed to its aim of becoming the leader in innovation and the creation of cutting-edge technology for online casinos. It offers various HTML5 games, enabling mobile play alongside PC alternatives.

The majority of the developer's work consists of diversely themed slot machines. This collection of games is Spinomenal's primary source of revenue, and except for two table games, slots are the company's main focus. These are not distinguishable from those given by other developers, so you can expect to find fascinating themes and striking visuals. The Buy Feature is maybe Spinomenal's most significant new feature. This does not appear in all of the company's positions.

Less than half of them have the Buy Feature. This allows you to spend a set sum from your balance to activate one or more of the game's unique features, removing the need to wait until the function is activated during gaming. Spinomenal is not the only producer to include this element in some of their games, but it is the most prominent aspect of these slots. Buy the Majestic King: Christmas Edition, Siren's Treasures, Demi Gods II, Nights of Magic, and Egyptian Rebirth II featured games.

Bonus Rounds & Free Spins

8 

Free Spins

In addition to the wild symbols, the Reels of Rio slot machine also contains free spin icons, which can activate the bonus round of free games. To start the bonus, you need at least three scatter symbols that provide free spins. After that, you will be given an option between two different free spins play types. You can have the following:

  • 10 free spins with stacked medium symbols at a ratio of 1x3, or
  • 20 free spins with stacked medium symbols that are 1x2 in size

You may gain five free spins by landing more scatters in groups of three.

Reels of Rio Slot - Free Spins

Bonus Buy

You can always buy free spins in this slot for 35x your bet.

Reels of Rio Demo Play

You may encounter a variety of fascinating symbols and features when playing slot machines. You may evaluate their functionality using the demo version without risking your own money. Before making a deposit, you are welcome to check out all possible spin outcomes for free.

Max Win

7 
The maximum win is 1,000x
Although the maximum win of 1,000 times is not the biggest that can be found, the maximum wager is relatively large to cater to players who have more substantial bankrolls.

Overall Rating

7.8
This slot machine has an engaging atmosphere, high-quality visuals, and a lot of attention to design detail. The music and symbols on the reels are both fitting for the subject. A carnival makeover has been applied to even the required royals. Even if the maximum win of 1,000x isn't the biggest available, the game caters to high rollers by allowing them to wager large sums. It would help if you didn't let the fact that the RTP varies from game to game discourage you from giving it a shot, mainly because the low end of the range is still acceptable. As a whole, it's a fun time, with many options for extra payouts and two enjoyable free-play segments.
Hits
Bonus rounds of free spins using stacked icons
Optional extras during bonus spins
An opportunity to pre-pay for the premium service if you can't stand to wait
Misses
Possible poor returns due to RTP fluctuations

Reels of Rio Slot - FAQ

What is the volatility of the slot?

The slot has medium volatility.

The Return to Player (RTP) of Reels of Rio slot machine is?

The theoretical payout of this game varies with the location in which it is played. You should expect a range of probabilities, from the low of 88.36% to the high of 95.83%.

In the Reels of Rio slot machine, is it possible to win free games?

The free spins bonus in this game may be activated in a few different ways. If you get at least three scatters, you'll trigger one of two features, each giving you more free spins and a different number of rows of symbols.

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Joe Booth
Joe Booth
Expert in: News, Blog, Slot reviews, Payments
Joe is an expert online casino player, who knows all the tricks and tips on how to get to the most massive wins. He is also an experienced online casino games reviewer, with hundreds of written articles behind him, on all kinds of online casino games. He makes sure to play them, see how they work, and then gives his honest expert opinion about them to other players, our readers. 

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