Rich 88

Gem Mine (Rich 88)

Play Gem Mine (Rich 88) slot by Rich 88 for free in demo mode! Explore RTP, bonus rounds, and key features before playing for real.

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SlotRanker Score

/ 99

05099

The SlotRanker Score is calculated from the visible data below. It is not affected by affiliate deals or paid placement.

How this score is built

RTP

—

return to player

Volatility

Low volatility

variance

Max win

2,000×

top multiplier

Min bet

$0.50

per spin

Reels

1024 lines

Player rating

3.1 ★

1 votes

DEMO Play free, no signup

Rich 88

3.1 / 5

1 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 & RTP—

no data

Volatility6/10

low → 6.0/10

Win Potential6.6/10

x2000.00 (2000×) → 6.6/10

Features5.5/10

6 features → 5.5/10

Game Mechanics7/10

f=6 r=5 p=1024 → 7.0/10

Context signals (tie-breakers)

Layout5/10

5x4 → 5.0/10

Bet Flexibility6/10

0.5–200 (×400) → 6.0/10

Provider Reputation4.9/10

provider avg 4.9 → 4.9/10

Popularity0/10

synthetic proxy → 0.0/10

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: 48 — Gem Mine (Rich 88) by Rich 88

https://slotranker.com/rich-88/gem-mine-rich-88#score

How to cite

Spec sheet

Gem Mine (Rich 88) at a glance.

Identity

Slot nameGem Mine (Rich 88)

StudioRich 88

Released12/1/2021

Math

SlotRanker Score48

RTP

VolatilityLow volatility

Max win2,000×

Bet range$0.50 – $200.00

Player rating3.1 / 5 · 1 votes

Format

Reels5

Paylines1024

Layout5x4

Features

Themes

Compare Gem Mine (Rich 88) with other games

	Gem Mine (Rich 88) Score 48This game	Ultra Cluster Kingdom Score 92	Serpentina Score 91	Pond of Plinko Score 91	Orient Story Deluxe Score 90
Identity
Studio	Rich 88	GameArt	Massive Studios	Print Studios	Amusnet
Released	12/1/2021	9/24/2024	3/20/2025	12/10/2024	5/2/2024
Math
RTP	—	—	96.53%	96.1%	97.2%
Volatility	Low volatility	High volatility	High volatility	High volatility	High volatility
Max win	2,000×	—	30,000×	30,000×	—
Format
Reels	5	8	7	5	5
Layout	5x4	8x8	7x7	5x3	5x3
Paylines	1024	Cluster Pays	—	20	20
Min bet	0.50	0.20	0.10	0.10	0.20
Max bet	200.00	200.00	100.00	30.00	400.00
Features
Progressive	—	—	—	—	✓
Wild symbol	✓	—	✓	—	✓
Free spins	✓	✓	✓	—	✓
Scatter symbol	✓	✓	✓	✓	✓
Multiplier	—	—	✓	✓	✓
Bonus game	—	✓	—	✓	—
Respins	—	—	—	—	✓