Joker Gemferno
Joker Gemferno Logo

Joker Gemferno

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  • Joker Gemferno Slot Game Intro
  • Joker Gemferno Slot Game Gameplay
  • Joker Gemferno Slot Game Paylines
  • Joker Gemferno Slot Game Fire Joker and Fruit Wheel Explained
  • Joker Gemferno Slot Game Gemferno Round
  • Joker Gemferno Slot Game Gemferno Paytable
Hot Slot
4.6 / 5.0
Max Win: $7,500
Nucleus Gaming RTP: Unknown
  • Theme: Gems
  • Game Type: Video
  • Lines: 18
  • Reels: 5
  • Max Bet: $90
  • Min Bet: $0.05
  • Release Date: October 28, 2019
  • Compatibility: iOS, Android
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  • FREE SPINS: Earn 7-12 free spins from the Fruit Wheel.
  • WILDS: The Fire Joker is wild and substitutes for the Fire Diamond.
  • GEMFERNO: Gemferno icons trigger a special bonus round.

Joker Gemferno Slot Review

Joker Gemferno Slot Details
Game NameJoker Gemferno
Game TypeVideo
SoftwareNucleus Gaming
Release DateOctober 28, 2019
Slot Reels5
Slot Lines18
Min Bet$0.05
Max Bet$90
Max Win$7,500
A fiery experience awaits in the new Joker Gemferno slot game by Nucleus Gaming, where the joker reigns supreme among gems and classic fruit symbols.

The five-reel slot game includes a Fire Joker that can consume entire reels with his flame, turning up the heat for the two special bonus rounds. Earn free spins, wild substitutions, and more when you give this game a spin!

How to Play Joker Gemferno

With Joker Gemferno, gameplay is simple. Select your number of lines to play per spin, from one to 18. Then you choose your bet. Once you are ready, click the spin button to begin.

Symbol matches will pay for two, three, four, or five of a kind combos, depending on which icons you find on the reels. The game pays from left to right, with the highest win per line paying.

Standard and Mid-Value Symbols

Joker Gemferno Slot Game Grape SymbolGrape, lemon, cherry, plum, and X: Earn $1,000 for five grape icons on the max bet while five lemon icons pay $750. Find five cherries with the max bet for $500 while the plums pay $375, and the X awards $250.

7 and Star: Earn $1,500 for five 7s with the max bet placed while five stars pay $1,250.

High-Value Symbols

Joker Gemferno Slot Game Red Fire Gem SymbolRed Fire Diamond, Blue Fire Diamond, Green Fire Diamond: The Red and Blue will even payout for finding just one symbol on the reels. With the max bet placed, earn $5,000 for five Red Fire Diamonds, $2,750 for five Blue Fire Diamonds, and $2,500 for five Green Fire Diamonds.

Fire Joker Wilds

Joker Gemferno Slot Game Fire Joker Wild SymbolThe Fire Joker is wild in the game, substituting for all Fire Diamond symbols on the reels. When paired with a Fire Diamond, the Fire Joker will go wild and double the payout! Three stacked Fire Joker symbols will expand to create a massive Joker Reel.

The Fruit Wheel

Joker Gemferno Slot Game Fruit Wheel SymbolThe Fruit Wheel symbol will provide players with a spin on the Fruit Wheel when they find the icon on the 3rd, 4th, and 5th reel. Players spin and earn from 7 to 12 free spins!

During the free spins round, a random Bonus Fruit Wheel will provide instant wins. Each Bonus Fruit Wheel symbol found in the game will give a prize equal to the triggering bet amount!


Joker Gemferno Slot Game Gemferno SymbolRepresented by a flaming gem, three of the Gemferno icon anywhere on the 1st, 2nd, or 3rd reels will trigger the Gemferno Bonus Round. Win seven free spins with the Special Quartz Symbols.

Gemferno Round Payouts

Blue, Pink, and Gold Gem: These symbols all pay for a two, three, four, and five of a kind match. With the max bet placed, earn $7,500 for five blue gems, $5,000 for five pink gems, and $3,750 for five gold gems.

Orange, Green, Purple, and Silver Gem: The orange and green gem pay for a two, three, four, and five of a kind match. Earn $2,500 for five orange gems while five green gems pay $2,000 with the max bet. With the purple and silver gem, you will only earn a payout for a three, four, or five of a kind match. Earn $1,500 for five purple gems and $1,000 for five silver gems with the max bet placed.

Symbols to Watch For

Wild: Fire Joker substitutes for Fire Diamond icons.
Gemferno: Three of these trigger a bonus round with special symbols and free spins.
Fruit Wheel: Find this symbol on the reels three times to earn a spin on the Bonus Fruit Wheel.

Play Joker Gemferno Slot for Free

Practice playing Joker Gemferno for free before trying this real money slot at your favorite online casino.

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Joker Gemferno Slot Features

  • Bonus Game: Gemferno bonus round where seven free spins are awarded, and special symbols appear to help create big wins.
  • Progressive Jackpot: There is no progressive jackpot.
  • Wild Symbol: The Fire Joker is wild, substituting for Fire Diamond icons in the game.
  • Scatter Symbol: The Fruit Wheel offers access to free spins.
  • Autoplay Option: Use this option to preset automatic spins.
  • Multiplier: There are no multipliers in this game.
  • Free Spins: Earn seven free spins from Gemferno while 7 to 12 free spins can be earned from the Fruit Wheel.

Joker Gemferno Slot Gameplay and Options

Number of Lines

Use the plus and minus buttons to select the number of lines to wager per spin, from 1 to 18.


Use the plus and minus signs to choose your bet amount per spin.

Bet Level

Select your bet level from 1 to 5.


Click here to spin the reels.


Use this button to preset automatic spins.

Max Bet

Click here to place the max bet based on your game settings.

Play Joker Gemferno Online Slot Game for Real Money

Joker Gemferno Slot Game LogoFor a classic style real money slot game with bonus twists, Joker Gemferno by Nucleus Gaming is the right choice for you. Spin the reels and find wild substitutions, a bonus round with unique high-paying icons along with the chance to earn free spins. Find this game at BetOnline, one of our top-rated online casino sites.

New players to BetOnline can access a quality Welcome Offer of 100% match on your deposit up to $1,000. This bonus can be used three times for up to $3,000 in bonus cash! Sign up today to get started!

Hein Coetzer

Hein Coetzer Online Gambling Expert and Writer

Hein Coetzer is a creative writer who has worked in the online casino, sports betting, and entertainment industries for over ten years. His work has been published in Rolling Stone Magazine among other large publications. When he's not writing he's staying active and exercising outdoors.

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Joker Gemferno reviewed by Hein Coetzer with a rating of 4.6 / 5