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Gem Rush Slot - Review, Free & Demo Play

Gem Rush
Gem Rush
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Updated: 22.07.2025
Reviewed by: Fabio Duarte
Get all your gambling gear ready, be it a pickaxe, flashlight, or dynamite, to head to the Gem Rush by Slotmill, the release date is 29/11/2022. In this slot, you will go to California to replenish the gold reserves of your deposit. So the gold rush is officially declared. The Slotsjudge team has prepared a detailed review of this slot, in which you will find out all the details you need for this risky adventure!

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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 Gem Rush slot

General information about Gem Rush slot

Rating by Fabio Duarte:
8.1
Slotmill
Write a review +25 SJ points
  • Release Date:
    29.11.2022
  • Volatility:
    High
  • RTP:
    96.1%
  • Multiplier:
    Yes
  • Max. win:
    10,000x
  • Bonus game:
    Yes
  • Free spins:
    Yes
  • Scatter Symbol:
    Yes
  • Wild symbol:
    Yes
  • Symbol Stacked:
    No
  • Jackpot Game:
    No
  • Slot lines:
    16,807
  • Slot reels:
    5
  • Layout:
    5-7
  • Stakes range (€/£/$):
    0.20 to 50
  • Slot Theme:
    Adventure
  • Technology:
    JS, HTML5
More infoLess info

Licensed and tested by

  • GA (Gaming accotiates)
  • MGA

How to Play

The Gem Rush will take place on a 5x7 Avalanche grid where you can get up to 16,807 lines to win. After each spin, there will be 15 blocking positions in your grid, which can be removed after a successful spin. Also, on the right, you will get an additional mini-drum, in which you can get benefits after each win. How to start playing:

  1. Activate the Gem Rush machine for real credits or in a demo mode over here
  2. Decide on a bet that ranges from €0.20 to €50
  3. You can also buy bonus features with your credits
  4. It is worth noting that you can activate Burst Mode, which is much faster than the classic auto game

Gem Rush RTP and Volatility

8.6 
The Gem Rush will run with a 96.10% RTP and high volatility.

This slot has quite optimal return rates, which will allow you to play with comfort, but with an emphasis on excitement. Therefore, you will catch winnings less often, but they will be large. Just plan your bankroll accordingly since high variance is associated with higher responsibilities.

Theme

8.3 

Do you remember the peak of the California Gold Rush from 1848 to 1855? So, these events are now taking place in the Gem Rush machine by Slotmill. Avalanche mechanics and a mini-drum, in which you can get additional dynamite or a portion of multipliers, will help you get gold.

In the gold mine, you can forge many valuable artifacts that can be exchanged for real funds. For example, card suits are paying up to 0.60x, miners' inventory is up to 0.60x, and crystals are up to 2x. Bonus symbols will open the game with spins, while Wild symbols substitute for any payout values. Please note that there are 15 empty cells in the grid that can be removed if you catch a winning combo. Also, on the right, you will receive a mini-drum, in which you can get additional achievements.

Theme
Gem rush slot - payouts

Mobile Compatibility

Gem rush slot mobile
All popular mobile gadgets can replace a casino or a PC for you. Thanks to HTML5, you can play on your mobile device anytime, anywhere. That’s the beauty of modern cross-platform machines.

About Slotmill

The progressive company Slotmill was founded in 2019 by a group of veterans in the gambling industry. Each member of the Slotmill team boasts many years of iGaming experience. Slotmill is headquartered in Sweden. The vendor is B2B licensed in Curacao and certified by iTech Labs in Australia. More than 20 unique slots can be found in the brand's catalogue. For example, Outlaws, Neon Dreams, and Coin Quest.

Bonus Rounds & Free Spins

8.4 

In Gem Rush by Slotmill, players will be able to catch big wins thanks to the Avalanche mechanic. On your grid, you will find 15 empty blocks that can be detonated if you catch a winning combo. The more wins, the more blocks you will remove. More options and their descriptions go below!

Gem Crusher

On the main screen, on the right side, you will find a mini-reel where you can get a random feature after you get a winning spin. For example:

  1. Multiplier Boost – this feature will increase progressive multipliers from +1 to +5. Please note that multipliers reset between spins in the base game, but not in the bonus game
  2. Wild Conversion – randomly converts symbols to Wild
  3. Gem Conversion – random symbols are converted into high-paying crystals
  4. Random Wilds – adds between 3 and up to 7 Wilds per grid
  5. Column Wilds – transforms any symbols vertically, except for bonus symbols, into Wilds
  6. Dynamite – explodes 5 empty blocks
  7. Extra Spin – will add 1 spin in the bonus game

Free Spins

When you collect 3, 4, or 5 bonus symbols, you will get 5, 7, or 10 free spins in a special round. This round, there will be no empty blocks on your grid, plus, you will get 16,807 paylines and the progressive multiplier counter will not reset.
Gem rush slot - feature

Fast Track

All players will be able to buy bonus features with their credits at any time. For example:

  1. Bonus + – for 400x, you will get free spins and 10x with an RTP of 96.80%
  2. Bonus – for 100x, you get free spins with an RTP of 96.59%
  3. Expand + – for 40x, you will get a playing field without blocks and with a 3x multiplier with an RTP of 96.46%
  4. Expand – For 10x, you will get a blockless playing field with an RTP of 96.35%

Gem Rush Demo play

The demo version of the Gem Rush slot machine will allow players to test the RTP and all bonus features without a deposit. This version of the game is perfect for getting to know a new slot.

Max Win

7 

In the Gem Rush game, you can get a lot of gold bars that can be exchanged for the 10,000x max win.

Such a generous reward will be available if luck is on your side and you use all the bonus features of the slot.

Gem Rush Video Review

✅ Try this slot for free on our website - https://slotsjudge.com/online-slots/gem-rush/ Hi everyone! In this video we’ll show you bonus game in Gem Rush from Slotmill. The slot machine has high volatility and RTP of 96.10%. The playing field consists of 5 reels and 7 rows, the minimum bet starts with $0.20, and the maximum bet reaches $50. By the way, the maximum winnings are 10'000x of the bet size.The main features of the machine are Bonus Buy, Multiplier and Burst Mode. Write in the comments, have you played Gem Rush from Slotmill and how do you like the winnings presented in this video! No links used during live stream or in the description are transaction links. 18+ | Play Responsibly | Begambleaware.org. #slots #onlinecasino #bigwin

Overall Rating

8.1
Slotmill's Gem Rush will be played in a cascading pattern that will allow you to catch paid symbols and activate many bonuses. Also, all achievements can be bought for your credits. It seems to us that the game is implemented very cool and dynamic, which will allow gamblers not to get bored and enjoy the gameplay.
Hits
Cascade mechanics
In the game with spins, the entire field and lines are open
Bonus Buy facility
Additional mini-reel with bonus features
Misses
May be not suitable for high rollers

Gem Rush Slot - FAQ

What is the max win you can get in the game?

In the Gem Rush machine, you can get a lot of gold bars that can be exchanged for the 10,000x max win.

Can I buy bonus features in the demo game?

Yes, all features are available in demo mode so that gamblers can test all the opportunities of the slot.

How to get a free spins round?

When you collect 3, 4, or 5 bonus symbols, you will get 5, 7, or 10 free spins in a special round.

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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.

2163 articles

Reviewed by Editor-in-Chief
Nikita Lukanenoks
Rate this article and leave a comment

Overall rating

Based on 1 reviews

9/10
Sloto Toto own avatar
Sloto Toto
6 lvl Superstar
9
Winning: €3
Multiplier: x16
Well-well-well, the game about gems…No chances for me to pass it! Especially given the slot’s gameplay that includes 7 random features in the base game and free spins with a fully open board.
Honestly, I was very excited once I saw the game in the lobby and checked its rules. Being excited is ok, but not overexcited. The reality can be pretty cruel, as the slot is very volatile and all those features won’t necessarily give you massive wins. My advice – take the game seriously!
Review image 2211-0
27.12.2022
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