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Only Coins Slot Review by Gamzix

Only Coins
Only Coins
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Updated: 22.07.2025
Reviewed by: Nikita Lukanenoks

This slot with a 4-level jackpot potential features an RTP of 96.02%, medium volatility, and a max win of 2,000x the bet. Explore the game's bonuses and play a free demo in this Only Coins slot review.

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18+ | New players only | Terms Apply | Please play responsibly | gamblingtherapy.org

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In This Review
  1. General Information about Only Coins
  2. Theme
  3. Slot Features & Bonus Games
  4. RTP, Volatility and Max. Win Potential
  5. How to Play Only Coins
  6. Pros & Cons of Only Coins Slot Machine
  7. Conclusion of our Expert
  8. FAQ
  9. Where to play Only Coins for Real Money
  10. Similar Slots
General information about Only Coins slot

Slot General Information

Rating by Nikita Lukanenoks:
8
Gamzix
Write a review +25 SJ points
  • Release Date:
    23.04.2025
  • Volatility:
    Medium
  • RTP:
    96.0%
  • Multiplier:
    Yes
  • Max. win:
    2,000x
  • Bonus game:
    Yes
  • Free spins:
    No
  • Scatter Symbol:
    No
  • Wild symbol:
    No
  • Symbol Stacked:
    No
  • Jackpot Game:
    Yes
  • Slot lines:
    N/A
  • Slot reels:
    3
  • Layout:
    3-3
  • Stakes range (€/£/$):
    0.10 to 100
  • Slot Theme:
    Coins
  • Technology:
    JS, HTML5
More infoLess info

Licensed and tested by

  • GLI (Gaming Labs Certified)
  • iTech Labs

Main Theme and Storyline

The theme and design of the slot are neither special nor innovative: this is a standard riches-inspired slot machine reflecting the exuberance of the Vegas nightlife. At the same time, the graphic quality is top-tier, with vibrant colours and a detailed background.

Only Coins Slots features & Bonus games

The slot’s bonus features revolve around gold coins, including the Bonus Game with multipliers. There are four tiers of fixed jackpots, and each can land randomly during the bonus round. Below, we have described all the bonuses of the slot.

  1. Mystery Symbols

    When the Sticky Mystery symbol appears during the base game, it stays on the reels until the Bonus Game begins. At the end of the Bonus Game, these symbols reveal either a multiplier between 1x and 9x the total bet or one of the Jackpot prizes: 10x, 20x, or 50x the bet. During the Bonus Game, Mystery Jackpot symbols that land reveal one of the Jackpot values.

    Only Coins slot Mystery Symbols Mystery Symbols can bring either multiplier rewards or one of the three Jackpot values

  2. Collect Symbol

    Collect symbols show up only during the Bonus Game. When they land, they gather the visible values of all symbols on the reels, moving from left to right and top to bottom. This includes Bonus, Jackpot, Sticky Mystery, Mystery Jackpot, and other Collect symbols' values.

  3. Walking Multiplier Frame

    If a Walking Multiplier lands on a position that already holds a Bonus, Jackpot, Sticky Mystery, or Mystery Jackpot symbol, it doubles that symbol’s prize. If it appears on the same spin as a Collect symbol, the Collect symbol first gathers all visible prizes, and then the Walking Multiplier doubles the total value collected.

    Only Coins slot Walking Multiplier Frame Landing in tandem with Collect symbols, Walking Multipliers double your total reward from the spin

  4. Bonus Game Jackpots

    During the Bonus Game, one of the four fixed jackpots can land randomly on the reels: Mini, Minor, Major, or Grand. The Grand jackpot only triggers if you fill all nine positions on the grid with Bonus symbols.

    Only Coins slot Bonus Game Jackpots Get to win up to 50x your total bet with Bonus Game Jackpots

  5. Heap of Coins

    When any bonus symbols land on the reels during the main game, players get a chance to trigger the Heap of Coins feature. It adds enough Bonus symbols to activate the Bonus Game.

    Only Coins slot Heap of Coins Heap of Coins adds Bonus symbols on the reels and triggers the Bonus game

  6. Bonus Game

    The Bonus Game can be triggered in two ways: either by landing three Bonus symbols on an active row or through the Heap of Coins feature. The game begins with three spins, and only specific symbols can appear: Bonus symbols with random values ranging from 1x to 9x your bet, Jackpot, Collect, Sticky Mystery, or Mystery Jackpot symbols. Each time one of these symbols lands, the spin counter returns to three.

    Only Coins slot Bonus Game Get three free spins in the Bonus Game and reset the counter every time you land special symbols

  7. Buy Bonus Feature

    You can skip the base game at any time through the Buy Bonus option, which costs 30x the bet. The round will start with one free spin from the main game.

    Only Coins slot Buy Bonus Feature Click on the Buy Bonus button next to the reels to activate the Bonus Game instantly

RTP, Bet Sizes and Volatility

  • The Only Coins' RTP of 96.02% is the market average.
  • The game has medium volatility, which may lead to frequent small payouts.
  • The game's bets range from €0.1 to €100, suitable for regular players and high rollers.
The max win of 2,000x is a nice final reward in the game
Although the Grand jackpot brings only 50x your bet, features like Collect symbols and Walking Multipliers can make all the difference and expand this reward.

Instructions on How to Play the Game

The slot's interface is intuitive and straightforward, comprehensible even to beginner players. Follow our simple guide below to start playing Only Coins by Gamzix.
  • 1

    Try the demo version

    Try this page's Only Coins demo mode to tap into the gameplay and mechanics.
  • 2

    Read the rules and all the important information, like Symbols and RTP

    Pay attention to the slot's paytable, bonus rules, and autoplay mechanics.
  • 3

    Choose a casino site you want to play at

    Explore and compare the online casinos we offer in this review to choose the best Only Coins casino to play at.
  • 4

    Claim the bonus from the casino to obtain more free spins

    If a relevant welcome bonus from your casino grants free spins for the slot, claim them.
  • 5

    Set the bets that are comfortable for you

    Select a bet value compatible with your bankroll and the slot’s betting range.
  • 6

    Start playing

    Tap the Spin button and start your Only Coins real money gameplay.

Benefits and Drawbacks

Pros
Different bonus features
4 random jackpots
Easy gameplay
Cons
Lack of plotline

Our Final Thoughts on the Game

The game captured our attention with a bright design and a saturated colour palette: while there is no plotline in the slot, it is not necessarily a con for every player. Luckily, bonuses are triggered frequently, even at small bets, and the game doesn’t let you get bored thanks to the Mystery symbols and the possibility of a random jackpot landing on the reels. This title is worth a try for players who like exciting and slightly complicated bonus mechanics.
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

FAQ

Is there an Only Coins demo game available?

Yes, we provide a free demo version of the slot on this page.

What is the Return to Player (RTP) in Only Coins?

The RTP of the slot sits at 96.02%, the market average.

Is Only Coins available for real money?

Yes, you can try the game for real money by choosing one of the verified casinos in this review.

Does Only Coins ensure fair play?

Yes, all the wins in the slot can't be predicted thanks to the RNG (Random Number Generator) technology.

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