Return-to-player rate
96.13%
Minimum bet size
0.20
Slot format
Video slots
Variance
Low
Reels
5
Progressive jackpot
No
Popularity
Maximum bet size
40
Game provider
Microgaming
Bonus features
Yes
Paylines
243
Theme
Mining
Mining Fever online slot game — Evan Carrington review for GCCans
Mining Fever is a video slot with a playful dwarf setting, placing valuable combination wins across reels built around 243-ways-to-win. Digging soon uncovers bonus spins, spreading wilds, wild reels, reels filled with matching symbols, and free spins in this low-variance online slot created by Rabcat.
Theme and storyline
It is time to start digging for slot wins on a journey to Driler, Bombur, and Thundar’s precious ricks mining site, buried deep beneath a Dwarvern kingdom. The expedition centres on uncovering bonus spins and free spins.
Graphics, sounds, and animations
In the original review, Mining Fever is described as one of the most active online slot games from the Microgaming studios at the time. Animated scenes show the dwarves opening a gold chest and sending coins across the screen after a bonus win. When scatter symbols land to create free spins, another scene brings the 3 dwarves onto the reels in a mining cart. They continue laughing as wins arrive through the free spins bonus.
The source review highlights the sounds, graphics, cartoon-style symbols, and suspenseful theme tune as features that bring an entertaining, engaging online slot to mobile and desktop screens.
Top Casinos to Play Mining Fever:
Gameplay
Mining Fever uses 5 reels and the 243-ways-to-win, no-payline symbol-combination format. To create a 3-, 4-, or 5-symbol win, matching symbols must land on consecutive reels: 1-2-3, 1-2-3-4, or 1-2-3-4-5, respectively.
There are 6 high-paying symbols alongside 4 low-paying symbols. The highest combination win pays 500x the ‘BET’ value, while the lowest pays 3x the ‘BET’ value. Here, the ‘BET’ value means the amount wagered per coin, not the total bet for the spin.
As symbol combinations connect, the game also features 3 scatter symbols: the 3 dwarves—
Driler, Bombur, and Thundar. Each one has a mining skill that triggers a bonus spin. That dwarf’s area of expertise is added to the reels as a feature, such as wild reels or spreading wilds.
Bonuses and free spins
Driler’s Dwarven Drill: This feature awards 1 bonus spin, with either reel 1, 2, or 3 becoming a wild reel for that spin. Landing the green dwarf scatters is the key to activating it.
Bombur’s Dwarven Bomb: Landing the red dwarf scatter symbols anywhere on the reels triggers 2 bonus spins. Bombur’s Dwarf’s bomb appears at a random position on one of reels 2, 3, or 4. It acts as a wildcard symbol during the initial spin; on the final spin, the bomb detonates and spreads 3 to 4 wild symbols across the reels.
Thundar’s Dwarven Hammer: Activating this feature awards a single bonus spin. Either reels 1 and 2 or 2 and 3 are filled with an identical symbol, creating a 2x3 symbols layout. That symbol is any one of the slot’s regular symbols, selected at random.
Free spins: Landing any scatter symbol on the reels 3 times triggers 8 free spins of animated action, including a ‘Dwarven Gold Train Feature’.
Dwarvern Gold Train Feature: A tunnel appears on either side of the reels. The 3 dwarves ride in a mining train cart and add wilds after every spin. They move from left to right, habitually joining regular symbols to complete or extend combination wins.
Bet sizes, RTP and variance
Set the wager with the left and right arrows in the ‘BET’ area: the minimum bet is 0.01 and the maximum is 2.00 per coin. Since every spin uses 20 coins, the resulting min-max range is 0.20 to 40.00 per spin. The review presents the 3 mining dwarves as digging for bonus-spin wins and activating the free-spins feature, while describing Mining Fever as low variance with a theoretical RTP of 96.13%; these features do not guarantee combination wins.
Conclusion
The strongest assets are the slot’s animations and numerous features, although they should not be read as a promise of a topped-up bankroll. Bonus spins can trigger by landing 2 matching dwarf scatters anywhere on the reels, and each one adds a special feature. The review also describes a lucrative free-spins bonus round that adds wilds and may help build towards one big win.
With 12+ years of experience in the iGaming industry, Evan specializes in reviewing online casinos, analyzing slot games, and evaluating player safety. Their expertise covers casino licensing, RTP, volatility, bonus conditions, and withdrawal policies. Through hands-on testing and independent research, Evan delivers transparent, fact-based reviews to help players better understand gambling platforms, their features, and potential risks.
