Gem Miner

Review, Demo Play, Payout, Free Spins & Bonuses

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Pros
  • Cascading reels with up to 5x win multipliers
  • Low-medium volatility
  • Exciting, well-designed theme featuring unique symbols
  • Stacked and colossal symbols
Cons
  • Average RTP
  • Low 100x base game win

Gem Miner is an online slot developed by ReelNRG. This five-reel slot has 20 fixed paylines and delivers plenty of bonus features, including free spins, stacked and colossal symbols, and cascading reels. Gem Miner is a low-medium volatility slot with a 95.1 per cent RTP.

Introduction

Reel NRG slots are known for their attention to detail and Gem Miner is no exception. If you are eager for an adventure and want to explore beneath the earth in search of precious gems, Gem Miner could be the ideal slot for you. Its low-medium volatility will suit more cautious players, but the variety of bonus features on offer will keep even the most experienced slot players spinning. Let’s explore why.

Theme, graphics & soundtrack

A lot of attention has been put into developing a strong narrative here. Even the loading screen, which places players at the opening of a cavernous underground world complete with train tracks to transport treasure back to the surface, starts to set the scene immediately. When the game loads, players will find themselves even further underground, where they will meet a red-headed gem miner looking for treasure.

The reels are set within a thick wooden frame, the pillars of which are giving the newly-dug cave added support. Each symbol is framed in gold, which adds an extra touch of luxury to the already visually engaging faceted gems. When the reels spin, players will see a glimpse of the many underground paths that sit beyond, lit by the warm orange glow of candles and lanterns.

The primary soundtrack is relatively generic but manages to instil a sense of adventure and excitement. A sound of falling blocks plays when the reels spin and the symbols click into place, which doesn’t clash with the main soundtrack. A unique sound effect plays when winning combinations land, which are further highlighted with fun animations.

Gem Miner

Gem Miner RTP & volatility

Gem Miner is a low-medium volatility online video slot with an RTP (return to player) of 95.1 per cent.

How to play Gem Miner

1. Clicking the blue + button in the bottom left-hand corner of the screen will open a menu containing the payable, bonus features and customisation settings.

2. To set your stake, use the < and > toggle buttons on either side of the coin value box; alternatively, if you want to go all-in, select the max bet button.

3. When you are happy with your stake, all that is left to do is select your chosen spin mode. The blue single arrow button will trigger autoplay mode, whereas the central red double arrow button will allow players to remain hands-on throughout.

Bet sizes & paytable wins

Gem Miner has 20 fixed paylines, which means the game offers a minimum bet of 0.20 and a maximum total bet of 100. Let’s explore the paytable in a bit more depth to give you an idea of the level of wins the luckiest players can expect:

5 x dynamite = 100x
4 x dynamite = 40x
3 x dynamite = 15x

5 x gem wagon = 75x
4 x gem wagon = 30x
3 x gem wagon = 12x

5 x wooden chest = 60x
4 x wooden chest = 25x
3 x wooden chest = 10x

5 x pickaxe = 50x
4 x pickaxe = 20x
3 x pickaxe = 8x

5 x blue gem = 15x
4 x blue gem = 7x
3 x blue gem = 4x

5 x purple gem = 15x
4 x purple gem = 7x
3 x purple gem = 4x

5 x diamond = 12x
4 x diamond = 6x
3 x diamond = 3x

5 x red gem = 12x
4 x red gem = 6x
3 x red gem = 3x

5 x orange gem = 10x
4 x orange gem = 4x
3 x orange gem = 2x

5 x green gem = 10x
4 x green gem = 4x
3 x green gem = 2x

Gem Miner bonus features

- Gem Miner cascading feature

Any win combination will cause the winning symbols to disappear. Each time this happens, symbols will fall from the top to fill the spaces. Every time players secure a winning cascade, the multiplier will increase up to a value of 5x the in-play bet.

- Gem Miner symbol stack feature

Occasionally, a cluster of the same symbol can be randomly placed between rows one and three, helping players to land even more impressive wins.

- Colossal free spins scatter

Taking the form of a red-headed gem miner, the game’s scatter symbol can trigger free spins. If this symbol lands on reels two, three and four, players will unlock 12 free spins. During free spins, the highest-paying symbols will take the form of colossal symbols.

- Wild

Taking the form of a faceted red gem framed in gold, the game’s wild can substitute for all other symbols aside from the scatter.

5 x red gem wild = 150x
4 x red gem wild = 50x
3 x red gem wild = 20x

If you enjoy video slots with particular bonuses, including free spins, cascading reels or a multiplier feature, the Slots Temple catalogue has several in-built filters to help you find a game that will deliver the playing experience you are looking for.

Overall review

Gem Miner is a very playable game with low-medium volatility and an average RTP. In addition to a well-designed interface, it delivers on the features front with cascading reels, free spins and multiplier wilds, all of which have the potential to boost the balances of the luckiest players.

For players who have particularly enjoyed Gem Miner and are looking to explore other online video slots with a similar in-game experience, we recommend taking a look at the Bonanza slot from Big Time Gaming. This Megaways game has 117,649 ways to win and a 96 per cent RTP.

Disclaimer: Gem Miner trademark / license is owned by Expanse Studios. This site is not endorsed by Expanse Studios.

* This button takes you to an external third-party partner real money casino website. Although we try and match games with Casinos that have them, we advise that you double-check the slot content on the casino website before making a deposit or signing up.

Slot Data
Slot Name: Gem Miner
Software: Expanse Studios
RTP: 95.27%
Volatility: Low volatility
Paylines: 3
Reels: 3
Min Bet (all lines covered): £1.00 (GBP)
Max Bet: £1000 (GBP)
Top Win: 1000
Features: 3 Reels, Low volatility
Themes:
UK Available in GB? Game is not available in GB.

FAQs

What is the RTP of Gem Miner?

The expected long-term average payout of Gem Miner is 95.1 per cent.

How volatile is Gem Miner?

Gem Miner from ReelNRG is classified as a low-medium volatility online video slot.

Does Gem Miner have a free spins bonus round?

If the scatter appears on reels two, three and four, players will unlock 12 free spins.

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