SpinOn

Major Miners

Mining-themed ways slot with an upgrade-driven jackpot bonus

SlotRanker Score

/ 99

05099

The SlotRanker Score is calculated from the visible data below. It is not affected by affiliate deals, and it cannot be bought.

How this score is built

RTP

94%

return to player

Volatility

—

variance

Max win

—

top multiplier

Min bet

$0.20

per spin

Reels

243 lines

Player rating

3.9 ★

3 votes

DEMO Play free, no signup

SpinOn

Embed on your site

3.9 / 5

3 ratings

User ratings are shown separately from the Slot Score unless stated otherwise.

Five weighted signals shape the composite. Four context signals refine ties. See how we rate for the full methodology.

Payouts & RTP6/10

RTP 94% → 6.0/10

Volatility8/10imputed

imputed medium (unknown) → 8.0/10

Win Potential—

no data

Features5/10

7 features → 5.0/10

Game Mechanics6/10

f=7 r=5 p=243 → 6.0/10

Context signals (tie-breakers)

Layout6/10

5x3 → 6.0/10

Bet Flexibility6/10

0.2–40 (×200) → 6.0/10

Provider Reputation6.3/10

provider avg 6.3 → 6.3/10

Popularity3.3/10

synthetic proxy → 3.3/10

Popularity blends real player search demand (~30 markets) with a catalogue-derived proxy; games without measurable search demand use the proxy alone. Not live play telemetry.

Cite this score

SlotRanker Score: 56 — Major Miners by SpinOn

https://slotranker.com/spinon/major-miners#score

How to cite

Slot Summary

Major Miners occupies the narrow space between an Underground Gems slot and a wheel-led jackpot game. SpinOn uses 243 ways for the regular spin, then shifts attention toward Bonus symbols, an X-Pots Bonus wheel, four Fixed Jackpots, and a Super-Bonus multiplier. The mining subject therefore does more than decorate the reels: digging, framed positions, and increasingly valuable materials give the bonus sequence a clear visual logic.

How It Plays

Regular wins use 243 ways, with matching symbols connecting from the left across adjacent reels. The Wild Symbol can replace ordinary symbols when completing those combinations.

The base spin acts as the route into the larger feature sequence. Bonus symbols and the Scatter Symbol redirect play toward the Bonus wheel rather than adding several unrelated side events.

Theme & Atmosphere

The Underground setting gives the game a practical reason to use tracks, tools, miners, and buried rewards. Gems identify the valuable material being extracted rather than serving as disconnected reel decoration.

The mine also supports the feature hierarchy. Bronze, silver, gold, and diamond frames read as increasingly valuable discoveries, making each upgrade understandable before its prize is revealed.

Gems Underground

Features & Win Potential

The Bonus wheel carries the X-Pots structure and can stop on Mini, Minor, Major, or Grand Fixed Jackpots. Its top listed wheel reward reaches 5000x the bet.

A Multiplier Super-Bonus can add up to 10x over the standard bonus result. The Wild Symbol has a narrower role, substituting within ordinary ways wins rather than controlling the main feature.

Scatter Symbol Wild Symbol Bonus Game Bonus Buy Bonus symbols Bonus wheel Fixed Jackpots

Bonus & Free Spins

Bonus symbols mark their landing positions with bronze frames. Additional Bonus symbols can raise those positions through silver, gold, and diamond, so the round values repeated hits as upgrades rather than isolated awards.

The Bonus wheel can award one of the Fixed Jackpots or send the result into the Multiplier Super-Bonus. That connection keeps the wheel and the framed-position round within one bonus sequence.

Spec sheet

Major Miners at a glance.

Identity

Slot nameMajor Miners

StudioSpinOn

Released12/16/2024

Math

SlotRanker Score56

RTP94%

Max win—

Bet range$0.20 – $40.00

Player rating3.9 / 5 · 3 votes

Format

Reels5

Paylines243

Layout5x3

Features

Themes

Expected average based on this slot's 94% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$4.80

Cost per session$4.80

Estimate only, for entertainment purposes — treat gambling as entertainment, not a way to make money, and set a budget you can afford to lose.

How long could a bankroll last on Major Miners? We simulate thousands of sessions from this game's published RTP and volatility — the long-run math, not a prediction of your next spin.

Bankroll ($)Bet per spin ($)Speed

Volatility tier: Mediumassumed — not published for this slot

Running simulation…

How this works

Each simulated spin either misses or returns a win drawn from a log-normal distribution, with the hit rate and spread set by the slot's volatility tier (Medium). The model is calibrated so the average return equals this slot's published RTP (94.00%), with wins capped at its top multiplier (1,000×).

This is a simplified, parametric model of the game's math — not its real paytable. It exists to make the house edge visible over many sessions, so the numbers above are averages across thousands of runs, never a forecast of one.

This is math, not a prediction. Real sessions vary wildly, and no strategy changes a game's built-in house edge. Play for fun, set limits, and never bet more than you can afford to lose.

Where to play Major Miners

No matching casinos for your region yet

Casino availability depends on where you play from. We only show casinos that accept players from your country.

Compare Major Miners with other games

	Major Miners Score 56This game	Nugget Frenzy Score 82	Gem Elevator Score 78	Miners Matter Score 77	Gemstone Rush Score 77
Identity
Studio	SpinOn	Just For The Win	Pragmatic Play	RAW iGaming	Spadegaming
Released	12/16/2024	11/12/2024	8/12/2024	9/12/2024	8/17/2023
Math
RTP	94%	96.01%	96.53%	95.57%	96.77%
Volatility	—	High volatility	High volatility	Medium/High	—
Max win	—	5,000×	10,000×	7,265×	—
Format
Reels	5	5	6	7	6
Layout	5x3	3-4-5-6-7	6x5	7x7	6x5
Paylines	243	2520	0	Cluster Pays	—
Min bet	0.2	0.2	0.2	0.2	0.2
Max bet	40	50	5	30	500
Features
Progressive	—	—	—	—	—
Wild symbol	✓	✓	✓	—	✓
Free spins	—	✓	✓	✓	✓
Scatter symbol	✓	✓	✓	✓	✓
Multiplier	—	✓	—	✓	✓
Bonus game	✓	—	—	✓	—
Respins	—	—	—	✓	—

Every number is shown as a delta against Major Miners.

Comparing against

Major Miners

SpinOn

RTP

94%

Max win

—

Score

+ Free Spins+ Multiplier− Bonus Game

+ Free Spins− Bonus Game

+ Free Spins+ Multiplier+ Respins− Wild

+ Free Spins+ Multiplier− Bonus Game

Explore More Games with Similar RTP

	Provider	RTP	Volatility	Max win	Score
Scopa	Habanero	93.96%	High volatility	4,000×	67
Carnival Cow Coin Combo	Light & Wonder	93.97%	High volatility	30,000×	71
Dream Drop Diamonds	Relax Gaming	93.98%	High volatility	10,640×	66
Flying Hippo	Pragmatic Play	93.99%	High volatility	5,000×	69
Major Miners	SpinOn	94%	—	—	56
The Runemakers DoubleMax	Bang Bang Games	94%	High volatility	15,000×	79
Skate or Die	NoLimit City	94.01%	High volatility	30,000×	77
Rock Bottom	NoLimit City	94.02%	High volatility	19,960×	78
San Quentin 2	NoLimit City	94.03%	High volatility	200,000×	76
I Hate Fairytales	Elysium Studios	94.04%	High volatility	33,934×	78
Cash Truck	Quickspin	94.05%	High volatility	25,000×	76

01What is the main feature in Major Miners?

The main event is the X-Pots Bonus wheel, which can award Fixed Jackpots or a multiplier-enhanced Super-Bonus round.

02How do wins work in Major Miners?

The regular game uses 243 ways, so matching symbols connect across adjacent reels rather than following a small set of fixed lines.

03What happens during the Major Miners bonus game?

Triggering positions receive bronze frames. Further Bonus symbols can improve framed positions through silver, gold, and diamond stages, increasing their prize values.

04What RTP does Major Miners use?

The catalog configuration lists a 94% RTP. That percentage describes theoretical long-term return, not the result of an individual session.

No player notes yet

Be the first to share your experience with this slot.