Rainbow Ray

Rainbow Ray is an Irish-themed slot from Endorphina, featuring a unique 6×5 grid with a Pay Anywhere mechanic. The game offers exciting features such as Cascading Reels and a Free Spins bonus round with multipliers up to 100x. With an RTP of 96.12% and a betting range of $0.20 to $100, Rainbow Ray promises an engaging and potentially rewarding gaming experience for players.

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Rainbow Ray Slot Review

Rainbow Ray is a magical Irish-themed online slot from Endorphina, inviting players to uncover the secrets of a hidden Leprechaun village. According to the official developer website, this game features a unique Pay Anywhere mechanic on a 6×5 grid, where symbols count in any position and disappear to allow for new winning combinations.

Set against a backdrop of majestic mountains and meadows, Rainbow Ray immerses players in an enchanting world filled with vibrant colors and whimsical elements. The game’s symbols include a laughing Leprechaun bonus symbol, a pot of gold, lucky horseshoe, toadstool, harp, beer, and gemstone-encrusted card suits.

Rainbow Ray’s Volatility & RTP

Based on information from the official Endorphina website, Rainbow Ray has an RTP of 96.12% in the regular game mode, with a slightly lower value of 95.31% when using the bonus buy option. The game’s volatility level is not specified, but the presence of high-value multipliers suggests a higher variance gameplay experience.

Betting Options & Maximum Payouts in Rainbow Ray

Players can place bets ranging from $0.20 to $100 per spin in Rainbow Ray. While the exact maximum payout is not disclosed, the game’s potential is reportedly quite high when combining regular symbol combinations (up to 50x the stake) with multipliers from the free spins feature (up to 100x).

Rainbow Ray employs a 6×5 grid with the Pay Anywhere mechanic, requiring a minimum of 8 matching symbols anywhere on the reels to form a winning combination. The highest-paying regular symbol is the pot of gold, awarding up to 50x the stake for 12 or more instances.

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Rainbow Ray’s Special Features

Free Spins with Extra Multipliers

Landing 4 to 6 Leprechaun bonus symbols triggers 10 free spins and awards prizes of up to 100x the stake. During the free spins, multiplier symbols in four colors can appear, each with its own multiplier range. Red multipliers are the most valuable, offering 50x and 100x multipliers that boost all wins for that round. The feature can be retriggered by landing 3 or more Leprechaun symbols during the free spins.

Cascading Reels Mechanic

After every winning combination, the cascading reels feature removes the winning symbols and fills the empty positions with new ones, potentially creating additional winning combinations and triggering further cascades.

Analyzing Rainbow Ray & Comparisons

Rainbow Ray stands out for its visually appealing design, immersive Irish theme, and engaging Pay Anywhere mechanic. The game’s free spins feature, with its high-value multipliers, adds excitement and potential for significant wins.

Slots Similar in Theme

  1. Leprechaun Goes to Hell by Play’n GO
    • Main Parameters: 5 reels, 25 paylines, Medium volatility.
    • Bonus Features: Free spins, Multipliers, Progressive Jackpot.
    • Similarity: Shares the leprechaun theme with “Rainbow Ray”.
    • Difference: Includes a progressive jackpot feature, which “Rainbow Ray” does not.
  2. Rainbow Riches by Barcrest
    • Main Parameters: 5 reels, 20 paylines, Medium volatility.
    • Bonus Features: Road to Riches Bonus, Wishing Well Bonus, Pots of Gold Bonus.
    • Similarity: Features rainbows and leprechauns, similar to “Rainbow Ray”.
    • Difference: Offers a variety of unique bonus games not found in “Rainbow Ray”.
  3. Irish Luck by Playtech
    • Main Parameters: 5 reels, 30 paylines, High volatility.
    • Bonus Features: Free spins, Multipliers.
    • Similarity: Irish folklore theme with a focus on luck and leprechauns.
    • Difference: Has a different structure in terms of paylines compared to “Rainbow Ray”.

Slots Similar in Mechanics and Bonus Features

  1. Gonzo’s Quest by NetEnt
    • Main Parameters: 5 reels, 20 paylines, Medium/High volatility.
    • Bonus Features: Free Falls, Multipliers, Avalanche feature.
    • Similarity: Offers free spins and increasing multipliers, similar to “Rainbow Ray”.
    • Difference: The Avalanche feature replaces traditional spinning reels, which is not present in “Rainbow Ray”.
  2. Book of Dead by Play’n GO
    • Main Parameters: 5 reels, 10 paylines, High volatility.
    • Bonus Features: Free spins, Expanding symbols.
    • Similarity: High volatility and free spins feature.
    • Difference: The expanding symbol feature during free spins is unique compared to “Rainbow Ray”.
  3. Dead or Alive 2 by NetEnt
    • Main Parameters: 5 reels, 9 paylines, High volatility.
    • Bonus Features: Multiple free spins modes, Sticky wilds.
    • Similarity: High volatility and the presence of free spins.
    • Difference: Offers sticky wilds in free spins, which is not a feature in “Rainbow Ray”.

Pros and Cons


  • Engaging Pay Anywhere mechanic
  • Visually appealing design and immersive theme
  • Exciting free spins feature with high-value multipliers
  • Potential for significant wins


  • Lower RTP when using bonus buy option
  • Irish theme may be overused in the slot market

Experience Rainbow Ray with a Free Demo Version

For players interested in exploring the enchanting world of Rainbow Ray without risking real money, Endorphina offers a free demo version of the slot on our website. This demo version provides an excellent opportunity for players to familiarize themselves with the game’s unique Pay Anywhere mechanic, cascading reels feature, and the potentially lucrative free spins bonus round.

By playing the demo version, players can gain valuable insights into the game’s mechanics, visuals, and overall experience without the pressure of wagering real funds. This allows them to determine whether the game suits their preferences and to develop a solid understanding of the various features and winning potential before committing to real-money play.

Moreover, the demo version enables players to test various betting strategies and observe how the game’s volatility affects their gameplay experience. This knowledge can prove invaluable when transitioning to real-money play, as it allows players to make informed decisions regarding their betting approach and bankroll management.

Endorphina’s provision of a free demo version for Rainbow Ray demonstrates the company’s commitment to player satisfaction and responsible gambling practices. By offering players the chance to explore the game risk-free, Endorphina empowers them to make educated decisions about their online slot experience.

Enjoying Rainbow Ray on Mobile Devices

Rainbow Ray is optimized for play on mobile devices, allowing players to enjoy the game’s enchanting world and features on smartphones and tablets running iOS or Android operating systems.

Responsible Gambling

As with all online slots, it is essential to approach Rainbow Ray with a responsible gambling mindset. Players should set limits on their time and financial investments, and seek help if they feel their gambling habits are becoming problematic.

Beyond the Game

Rainbow Ray showcases Endorphina’s commitment to creating engaging and visually appealing online slots. The game’s magical theme, combined with its unique features, offers players an entertaining escape into a world of Leprechauns and hidden treasures.


What is the highest-paying regular symbol in Rainbow Ray?

The highest-paying regular symbol in Rainbow Ray is the pot of gold, awarding up to 50x the stake for landing 12 or more instances anywhere on the reels. This symbol is key to achieving substantial wins in the base game.

How do the multiplier symbols work during the Free Spins feature?

During the Free Spins, multiplier symbols in four different colors can appear on the reels, each with its own multiplier range. The most valuable multipliers are the red ones, offering 50x and 100x multipliers that boost all wins for that round.

How do the Cascading Reels work in Rainbow Ray?

After every winning combination, the Cascading Reels feature removes the winning symbols from the grid, allowing new symbols to fall into the empty positions. This can potentially create additional winning combinations and trigger further cascades.

What is the unique mechanic featured in Rainbow Ray?

Rainbow Ray employs a Pay Anywhere mechanic on a 6×5 grid, where winning combinations are formed by landing 8 or more matching symbols anywhere on the reels. This unconventional approach adds an exciting twist to the gameplay.