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Gems Sky Slot Review by Zillion Games

Gems Sky
Gems Sky
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Updated: 22.07.2025
Reviewed by: Nikita Lukanenoks
The Gems Sky slot will impress players who love anime themes and diverse special features. Its 95.20% RTP is relatively low, and the game can’t boast a high winning potential, but the presence of options like Hold & Ring impressed us. Here, you’ll find the full review and the free version of this slot from Zillion Games to try all the features in demo mode.
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In This Review
  1. General Information about Gems Sky
  2. Theme
  3. Slot Features & Bonus Games
  4. RTP, Volatility and Max. Win Potential
  5. How to Play Gems Sky
  6. Pros & Cons of Gems Sky Slot Machine
  7. Conclusion of our Expert
  8. FAQ
  9. Where to play Gems Sky for Real Money
  10. Similar Slots
General information about Gems Sky slot

Slot General Information

Rating by Nikita Lukanenoks:
8.5
User’s Rating: Not rated yet
Zillion Games
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  • Release Date:
    10.04.2025
  • Volatility:
    High
  • RTP:
    95.2%
  • Multiplier:
    No
  • Max. win:
    1,000x
  • Bonus game:
    Yes
  • Free spins:
    Yes
  • Scatter Symbol:
    Yes
  • Wild symbol:
    Yes
  • Symbol Stacked:
    No
  • Jackpot Game:
    Yes
  • Slot lines:
    25
  • Slot reels:
    5
  • Layout:
    5-3
  • Stakes range (€/£/$):
    0.2 to 100
  • Slot Theme:
    Anime
  • Technology:
    1,000x
More infoLess info

Licensed and tested by

  • Curaçao License
  • iTech Labs

Main Theme and Storyline

The slot's anime theme turns the simple slot into a game with appealing graphics and animations. The grid is located in the sky in front of the castles, and the princess on the left side dances during each winning combination. The slot is vibrant due to its bright colours, visual effects and cheerful sounds, which play when you win or activate bonus features.

Gems Sky Slots features & Bonus games

As for a relatively classic slot, Gems Sky offers quite a lot of bonus options, such as Walking Wilds during Free Spins, the Accumulated Feature and others. We tried out all of them to explain their mechanics below.

  1. Random Wilds

    The feature is triggered randomly, spreading two or more Wilds, the cat symbols, across the grid. It’s beneficial since Wilds serve as symbols that can help form a winning combination.

    Gems Sky slot Random Wilds At any spin, the slot can randomly bring 2+ Wilds to the gaming field, providing for more winning combinations

  2. Free Spins

    Upon landing three or more Scatters, symbols with a princess, players receive 10 Free Spins.

  3. Random Walking Wild

    During FS rounds, Wilds appear, disappear, and move to any position on the reels. Thus, each spin gets additional potential for getting a winning combination.

  4. Wheel of Fortune & Jackpots

    The presence of the wheel symbols triggers the Wheel of Fortune feature. Then, players spin the wheel, which can bring Mini, Minor, Major, or Grand jackpots, paying up to 1,000 times.

  5. Hold and Ring

    This feature is triggered when you land five bonus symbols in the form of coins with stars. During the Hold and Ring mode, winnings are equal to the sum of multipliers specified on these symbols.

  6. Accumulated Feature

    Bonus symbols accumulate, and when this feature is active, they randomly replace symbols, increasing your winning potential.

RTP, Bet Sizes and Volatility

  • The 95.20% RTP is slightly below the market average.
  • The minimum bet of €0.20 is not the smallest, but it will still be suitable for new players, while the €100 maximum cap is ideal for those with large bankrolls.
  • Players should consider high volatility and be prepared for a long session with infrequent yet potentially significant wins.
The slot has a relatively small 1,000x max win
Yet, this amount is more achievable compared to larger ones, mainly due to bonus features available during the main game or as separate options.

Tips on How to Play Gems Sky

You can use tips from our experience to reveal the game’s rules, pick a reliable online casino, and start playing the slot.
  • 1

    Try demo version

    Launch the free demo mode of the slot here at Slotsjudge.
  • 2

    Read the rules and all the essential information like symbols and RTP

    Consider the paytable values and the number of paylines to form winning combinations.
  • 3

    Choose a casino site where you want to play

    Select a site from our Slotsjudge rating, using our analysis and tips.
  • 4

    Claim the bonus at the casino to obtain more free spins

    Get a casino bonus if its wager suits you and it’s compatible with Gems Sky.
  • 5

    Set the bets that are comfortable for you

    Regulate the bet per round with ‘+’ and ‘-’ icons.
  • 6

    Start playing the game and enjoy Gems Sky by Zillion Games

    Tap on the big round button to make a single spin or activate the autoplay mode.

Benefits and Drawbacks

Pros
Random Wilds in the main game
Mini to Grand jackpot levels
Engaging anime theme & vibrant graphics
The Hold and Ring feature pays multiplier values
Flexible betting limits of €0.20 to €100
Cons
The slot’s max. win could be higher
The 95.20% RTP is slightly below average

Our Final Thoughts on the Game

We were amazed by the slot’s vibrant theme and the loads of animated elements that appeared during winning combinations. The settings are pretty simple, and we believe that the RTP and winning potential could be higher. Nevertheless, it was nice to experience Random Wilds in the main game. Plus, other bonus features are diverse, from Free Spins to Wheel of Fortune with four jackpot levels.
Nikita Lukanenoks
Nikita Lukanenoks
Editor in Chief
With over six years in iGaming, I’ve seen this industry from many angles, and I’m now stepping into the role of Editor-in-Chief to bring readers a reliable, data-driven look at online gambling. My journey began with a deep fascination for gaming mechanics, evolving into a career where I could combine my interests in gaming, web design, and sports. I’m committed to building a platform that connects with readers and keeps them engaged with the latest trends and best practices.

162 articles

Frequently asked questions about Gems Sky

What is the Return to Player (RTP) in Gems Sky?

The RTP score is what the casino returns to players. The slot has a 95.20% RTP, which is slightly below the market average.

What is the bonus in Gems Sky?

There are different options like Random Wilds, Walking Wilds during 10 Free Spins, Hold and Ring, Wheel of Fortune with jackpots, and the Accumulated feature.

What is the maximum payout of Gems Sky?

The wins are capped at a maximum of 1,000x.

Can I play Gems Sky on my mobile device?

Yes, the game is mobile-friendly, thanks to HTML5.

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