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Diamond Mystery 50 Extreme Hot Slot - Review, Free & Demo Play

Diamond Mystery 50 Extreme Hot
Diamond Mystery 50 Extreme Hot
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Updated: 22.07.2025
Reviewed by: Joe Booth

Hope you missed the fruit themes slots because we have a new one – Diamond Mystery 50 Extreme Hot! Released on 18/07/2022, the slot has a very nostalgic vibe of the old slot machines, not only with its overall design but also with simple and straightforward features.

And today, we will share with you what those features are, as well as other information, from the max win of Diamond Mystery 50 Extreme Hot to its RTP, volatility, and where you can play this slot for real money or free!

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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 Diamond Mystery 50 Extreme Hot slot

General information about Diamond Mystery 50 Extreme Hot slot

Rating by Joe Booth:
7.7
User’s Rating: Not rated yet
Greentube
Write a review +25 SJ points
  • Release Date:
    18.07.2022
  • Volatility:
    Medium
  • RTP:
    96.0%
  • Multiplier:
    No
  • Max. win:
    5,000x
  • Bonus game:
    No
  • Free spins:
    Yes
  • Scatter Symbol:
    Yes
  • Wild symbol:
    Yes
  • Symbol Stacked:
    No
  • Jackpot Game:
    No
  • Slot lines:
    50
  • Slot reels:
    5
  • Layout:
    5-4
  • Stakes range (€/£/$):
    0.25 to 50
  • Slot Theme:
    Fruits
  • Technology:
    JS, HTML5
More infoLess info

Licensed and tested by

  • Gambling Comission

How to Play

Diamond Mystery 50 Extreme Hot is a slot with a 5x4 layout – pretty common for many online slots – as well as 50 lines so you can learn how to play it pretty easily. When you find a casino, create an account there and make a deposit, you just need to locate the Diamond Mystery 50 Extreme Hot slot and launch it, after which:

  1. First, adjust your preferred total bet to get an accurate paytable value. The minimum total bet in Diamond Mystery 50 Extreme Hot is €0.25 and the maximum is €50
  2. Then click the “Menu” option, where you can access the settings and paytable. Make sure to familiarize yourself and memorize the value of symbols
  3. When all is clear and you are ready to play, click the spin button (or turn on turbo mode or autospin) and have fun!

Diamond Mystery 50 Extreme Hot RTP and Volatility

7.5 
The RTP of Diamond Mystery 50 Extreme Hot is 96% and the volatility is medium.
The volatility in Diamond Mystery 50 Extreme Hot is on a medium level, which means that this slot provides a balance between how often you get a winning combo and how big of a payoff you get. Now as for the RTP, in Diamond Mystery 50 Extreme Hot it is at 96%, meaning that you will be paid back 96% of your winnings. This is an average and decent rate for online slots.

Theme

8 

Diamond Mystery 50 Extreme Hot is a fruit-themed slot with a common and well-known theme - fruits and gems which has that old-school vibe so many players love. So, as you would expect, the design is not really that special or complicated: you have a pretty scarlet background with intricate patterns, as well as pretty semi-transparent reels. While, yes, the design is really not that complicated, it still looks fairly aesthetically pleasing, and the colors are just as juicy as the symbols.

Speaking of them, there are several types of symbols in Diamond Mystery 50 Extreme Hot: regulars, Wild, and Scatter. Regular symbols are:

  • Cherry, lemon, orange, and plum worth 0.16x, 0.80x, and 3.20x
  • Watermelon and grape worth 0.32x, 1.60x, and 6.40x your stake for 3, 4, and 5 symbols
  • Bell and strawberry worth 0.80x, 2.40x, and 9.60x
  • Two types of big 7’s worth 0.80x, 3.20x, and 16x for 3, 4, and 5 symbols

The Wild and Scatter symbols have special properties, namely, the Wild will replace all regular symbols except Scatter, while the Scatter will trigger the Free Games feature.

Theme
Diamond mystery 50 extreme hot slot - paytable

Mobile Compatibility

Mobile Compatibility
Want to play Diamond Mystery 50 Extreme Hot but don't have access to a PC? Don't worry, this game is fully compatible with mobile devices and will run fine no matter the OC of your gadget. It’s also worth noting that there is no Diamond Mystery 50 Extreme Hot app, so to enjoy this game on mobile you just need to launch it via a mobile browser.

About Greentube

A structural subdivision of the very popular provider Novomatic, Greentube was established in 1998, and since then they have created an impressive number of over 400 slots, including such great titles like Diamond Link: Mighty Santa, Power prizes: Royal Crane, Arctic Empress, Spooky Spells, and a lot of others. Seeing how Greentube closely works with Novomatic, they have access to the latter’s technology, which allows the company to create immersive, mobile compatible, and beautiful slots, with good mathematics and different game modes.

Bonus Rounds & Free Spins

7.2 

Free Games

To trigger the Free Games feature you need to collect a certain amount of Scatters and the price you get depends on how many you've collected:

  • Three Scatters give 10 free games
  • Four Scatters give 20 free spins
  • Five Scatters award 30 free games
Diamond mystery 50 extreme hot slot - free games

Diamond Mystery 50 Extreme Hot Demo Play

The demo mode of the Diamond Mystery 50 Extreme Hot allows you to play this game for free since instead of your real money you will be making bets with demo currency. You can find the Diamond Mystery 50 Extreme Hot demo right on this page and in it, you’ll get to enjoy everything the game has to offer, with exactly the same features. Now, of course, you cannot win real money in the demo mode.

Max Win

8 
The top win in Diamond Mystery 50 Extreme Hot is 5,000x your stake.
The grand prize in the Diamond Mystery 50 Extreme Hot is 5,000x your total stake, and this is a fairly decent potential. To get it, you have such helpful options like Free Games feature, where you can get up to 30 free games, as well as a special Wild symbol that replaces all regular ones and provides great payoffs.

Overall Rating

7.7
If you like retro-looking slots with straightforward features, Diamond Mystery 50 Extreme Hot might be a fine option for you. Between decent volatility and RTP, as well as a nice top prize, we think that this slot can find its fans, seeing how it can appeal to both casual and high-stake players.
Hits
You can get up to 30 free games
Decent max win of 5,000x your stake
Misses
Not a very unique theme
Not many features

Diamond Mystery 50 Extreme Hot Slot - FAQ

Can I play Diamond Mystery 50 Extreme Hot for free?

If you want to play Diamond Mystery 50 Extreme Hot for real money then yes you do need to make a deposit at a casino you will be playing at. However, if you just want to play the demo of this slot you don't need to pay anything.

What is the most valuable symbol in the Diamond Mystery 50 Extreme Hot?

The symbol with the highest payoff is the Wild. It not only can substitute for all regular symbols, but it will also pay 1.60x, 8x, and 160x for 3–5 collected symbols.

Can I play Diamond Mystery 50 Extreme Hot on mobile?

Of course! The Diamond Mystery 50 Extreme Hot is created with HTML5 technology, so you can easily play this slot from your smartphone or tablet.

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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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Reviewed by Editor-in-Chief
Nikita Lukanenoks

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