Game Information
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Provider
Nucleus Gaming
Type
Slots
Reels
5
Min Bet
0.18
Max Bet
90
Max Win per Spin
7500
Joker Gemferno Slot: Comprehensive Data Analysis
Core Game Specifications
| Attribute | Value |
|---|---|
| Developer | Nucleus Gaming |
| Release Date | October 28, 2019 |
| Theme | Gems, Fruit, Joker |
| Layout | 5 reels, 18 paylines |
| Paylines | 18 |
| Bet Range | $0.05–$90 |
| Core Mechanics | Gemferno bonus round, Fruit Wheel bonus, Fire Joker wild, Expanding wild reel, Free spins |
| Software | Nucleus Gaming |
| Compatibility | Mobile and desktop |
Mathematical & Payout Model
Return to Player (RTP)
96.98%
Volatility
Medium
Max Win Potential
7500x
Symbols & Paytable Hierarchy
| Tier | Symbol(s) | Function & Value |
|---|---|---|
| Low Tier | grape, lemon, cherry, plum, X | Provides small, frequent wins to maintain gameplay. |
| Mid Tier | 7, star | Thematic items offering moderate payouts. |
| High Tier | Red Fire Diamond, Blue Fire Diamond, Green Fire Diamond, blue gem, pink gem, gold gem, orange gem, green gem, purple gem, silver gem | Highest paying symbols. Top hits available with full combinations. |
| Wild | Fire Joker | Acts as a substitute / feature trigger per game rules. |
| Scatter | Fruit Wheel, Gemferno symbol | Triggers free spins / bonus round when enough appear. |
Joker Gemferno Bonus Features Mechanics
| Feature | Trigger | Initial Award | Core Mechanic | Enhancement/Retrigger |
|---|---|---|---|---|
| Gemferno bonus round | Three Gemferno symbols on reels 1‑3 | Seven free spins | Special quartz symbols appear during free spins | |
| Fruit Wheel bonus | Fruit Wheel symbols on reels 3,4,5 | Up to 12 free spins | Instant wins awarded during each free spin |
Frequently Asked Questions (FAQ)
| How many paylines does Joker Gemferno have? | It has 18 paylines. |
| What is the maximum win? | The maximum win is 7500 times the bet. |
| What is the RTP? | The RTP is 96.98%. |
| What bonus features are available? | It has a Gemferno bonus round and a Fruit Wheel bonus round. |
| What does the Fire Joker do? | The Fire Joker acts as wild, doubles wins when paired with Fire Diamond, and can expand to a full wild reel. |
Joker Gemferno Performance Summary: Strengths vs. Weaknesses
Strengths
- Multiple bonus rounds
- High maximum win
- Expanding wild feature
- Mobile compatibility
Weaknesses
- RTP and volatility may vary by operator
- Hit frequency not published
Overview
Joker Gemferno is a fiery gem and fruit themed video slot by Nucleus Gaming featuring 5 reels and 18 paylines. It offers two bonus rounds: the Gemferno bonus with seven free spins and special quartz symbols, and the Fruit Wheel bonus awarding up to 12 free spins and instant wins. The Fire Joker wild substitutes for Fire Diamond symbols, can double wins, and can expand to a full wild reel.
Rachel Pine is our slots expert who has worked in the online gambling industry for 10+ years. Over the course of her career, Rachel has reviewed more than 30,000 slots.
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