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The Ruby Slot - Review, Free & Demo Play

The Ruby
The Ruby
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Updated: 22.07.2025
Reviewed by: Fabio Duarte
The Ruby is a classic online slot with an attractive and vibrant design from the talented developer iSoftBet. The provider released this slot on 13/12/2018 and endowed it with really great characteristics that will allow players to get bigger prizes. Also of interest is the bonus game, which offers free spins and allows one of three jackpots – Cherry, Topaz, or Ruby. The prizes in the game that can be won are as high as the bet made on the game. In this review, you will learn more about this slot in general and its main functions, and metrics including RTP ratio and volatility levels. You will also be able to familiarize yourself with this game thanks to the demo mode, as well as learn about the best casinos where you can play this slot for real money and much more.
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18+ | New players only | Terms Apply | Please play responsibly | gamblingtherapy.org

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In this review
  1. Slot details
  2. Theme
  3. Bonus Rounds and Free Spins
  4. Summary
  5. Where to play
General information about The Ruby slot

General information about The Ruby slot

Rating by Fabio Duarte:
8.3
User’s Rating: Not rated yet
iSoftBet
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  • Release Date:
    13.12.2018
  • Volatility:
    Medium
  • RTP:
    97.5%
  • Multiplier:
    No
  • Max. win:
    8,176.4x
  • Bonus game:
    Yes
  • Free spins:
    Yes
  • Scatter Symbol:
    Yes
  • Wild symbol:
    Yes
  • Symbol Stacked:
    No
  • Jackpot Game:
    Yes
  • Slot lines:
    30
  • Slot reels:
    5
  • Layout:
    5-3
  • Stakes range (€/£/$):
    0.30 to 30
  • Slot Theme:
    Gems
  • Technology:
    JS, HTML5
More infoLess info

Licensed and tested by

  • GLI (Gaming Labs Certified)
  • iTech Labs
  • ONJN

How to Play

The gameplay in the slot is really very simple and straightforward. The key steps to start playing The Ruby are described below:

  1. To begin, players need to determine the bet size by clicking on the three coin icons at the bottom of the reels, next to the coin denomination. Players can then click on the "-" or "+" signs to change the coin denomination, and the total bet will change accordingly
  2. When all betting parameters are set according to player preference, it's time to start the game by simply pressing the green spin button
  3. The game also features an autoplay mode, which can be activated by pressing the button to the right of the spin button. Players will need to select the number of spins and determine the limit of loss
  4. Collect three or more of the same symbols on the winning paylines to claim your prize. The winnings you receive will be displayed in the “Win” box
  5. Players can click on the exclamation point to view the payout table, game information and paylines

Ruby slot has a 5x3 reel structure, and players can form their winnings on 30 paylines. The minimum bet here is €0.30 and the maximum is €30, so big bet lovers might not be too interested.

The Ruby RTP and Volatility

8.5 
This slot has an RTP of 97.50% and medium volatility, which can bring players potentially big prizes.
The RTP ratio means the percentage of all bets placed on a game that will eventually be paid out to players. In this particular slot, 97.50% of all bets made will be returned to players in the form of payouts. The volatility in this game means that the wins can be big, but they can also come in short bursts. This makes it a great option for those who are looking for some excitement in their gaming experience.

Theme

8.5 

The Ruby slot is a game that is easy to play and features colorful graphics. The gameplay is based on the ruby stone, hence the bottomless red hue that is the background of this game. As the reels spin, sound effects draw you into the game and also highlight the winnings when they occur in game mode. The colors are bold and bright, making the game appealing. The design is simple and straightforward, so it will be easy for players to figure out the exciting gameplay.

The slot machine has seven symbols in addition to the high-paying wild symbol. For example, there are cherries, gold bells, dollar signs, bar symbols and bags of gold coins, as well as notable red sevens and red rubies that can be found in different parts of the reel. Payouts for all of these symbols range from 5x to 300x bet per line.

The wild symbol in this game replaces any symbol except the bonus symbol and the ruby symbol, and that symbol can also bring anywhere from 60x to 600x bet per line.

Theme
The Ruby slot - payouts

Mobile Compatibility

The Ruby slot mobile
The Ruby slot machine also features smooth and crisp gameplay on mobile devices. To provide the best experience for mobile users, developers from iSoftBet used the latest HTML5 technology. This ensures that the game loads quickly and runs smoothly on all devices. Overall, The Ruby slot provides an accessible and convenient experience for players of all levels.

About iSoftBet

iSoftBet is a gambling developer that creates online solutions for desktop and mobile devices. They meet the highest industry standards and have a number of licenses and certifications. Thus, iSoftBet can officially present their products in 19 regulated markets, and that number is constantly growing. The company's gaming products have been tested for integrity and certified by several regulators and independent testing agencies. The developer was also a finalist in the Mobile Product Provider and GGC Casino Product Provider categories at the 2019 EGR B2B Awards. Today, they are one of the leaders in gambling solutions for both companies and gamblers. Their products are available all over the world, and over the years they have been able to obtain many licenses and enter markets in a number of countries around the world.

Bonus Rounds & Free Spins

8.5 

Ruby on Fire

During a regular spin, reels 1, 3 and 5 can randomly become wild reels. Also, on the reels that are not wild, 1 to 3 symbols will become wild symbols, so this is a real challenge, but it can lead you to huge winnings in a single spin.

Bonus Game

Collecting 3 bonus symbols on reels 1, 3 or 5 triggers the bonus round. In this round you will spin the bonus wheel to potentially win up to 100x their total bet or 10 free spins plus 5x the total bet, as well as one of three jackpots:

Cherry – 166,6x bet per line

Topaz – 333,3x bet per line

Ruby – 833,3x bet per line
The Ruby slot - feature

Free Spins

The bonus round can give you 10 free spins, in which you get an extra wild symbol for this round. This wild symbol can do a lot to help you win. For example, it can stay in place, it can expand to cover multiple reels, and it can even reward you with an instant multiplier of up to 10x your total bet.

The Ruby Demo play

The Ruby demo game is a great way to try out the free version of this slot without having to download anything or register an account. Simply click on the “Demo Play” button on this page, and you can start spinning the reels right away. You'll have a limited amount of credits, but you can keep playing as long as you want. This is a great way to get a feel for the game before you decide if you want to play for real money.

Max Win

7.5 
This slot can offer players a maximum win of up to 8,176.4x.
To get the maximum winnings in this slot, players should pay attention to the bonus round. It can offer maximum winnings of up to 8,1764x, thanks to one of the three jackpots, which in turn leads to a huge payout!

Overall Rating

8.3
The Ruby slot from iSoftBet is a truly fantastic and innovative game that is sure to captivate players for hours to come. With stunning graphics and addictive gameplay, this slot is one of the most exciting traditional games on the market. There is no progressive jackpot here, but players have a chance to win one of the three jackpots at random. There are also growing opportunities to win good prizes during the Ruby on Fire feature and the free spins round. Provider iSoftBet has also done an excellent job of ensuring the honesty and safety of the game, making it a great choice for online casino play. Overall, The Ruby slot is a great choice for any online slots player looking for an enjoyable and rewarding gem-themed experience.
Hits
There are free spins in the slot
The presence of three jackpots in the slot
Attractive game design
Misses
The maximum bet is only €30
There are no multipliers in the slot

The Ruby Slot - FAQ

What is the Most Valuable Symbol in The Ruby?

In this slot, the most valuable symbol is the wild symbol, as it can replace most other symbols to form winning combinations.

Can I start playing The Ruby with a demo game?

Yes! A demo mode is available in the slot, which will give you the opportunity to test the game and understand how it really works.

Can I Earn Real Cash Prizes in The Ruby?

You have such an opportunity in the game for real money. To do this, you will need to make a deposit and start your game in real mode.

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Fabio Duarte
Fabio Duarte
Expert in: News, Blog, Slot reviews, Payments
Fabio is a young writer with +6 years of experience in gambling & betting. Fabio creates professional reviews of casino and slots. Every single article Fabio made exhibits deep analytical skill and comprehensive coverage of a topic. It’s Fabio – one of the leading authors on slotsjudge.com.

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Reviewed by Editor-in-Chief
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