Leander Games

Gem Zone

Slots Video Slots Fantasy Space Gems Arcade

High-volatility gem slot showcasing Leander's Dynamic Ways concept

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

93.8%

return to player

Volatility

High volatility

variance

Max win

28,000×

top multiplier

Min bet

$0.20

per spin

Reels

117649 lines

Player rating

4.2 ★

10 votes

DEMO Play free, no signup

Leander Games

Embed on your site

4.2 / 5

10 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 & RTP5/10

RTP 93.8% → 5.0/10

Volatility9/10

high → 9.0/10

Win Potential8.9/10

x28000.00 (28000×) → 8.9/10

Features5.5/10

8 features → 5.5/10

Game Mechanics6.2/10

f=8 r=5 p=117649 → 6.2/10

Context signals (tie-breakers)

Layout6/10

5x3 → 6.0/10

Bet Flexibility6/10

0.2–200 (×1000) → 6.0/10

Provider Reputation6/10

provider avg 6.0 → 6.0/10

Popularity5/10

synthetic proxy → 5.0/10

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: 61 — Gem Zone by Leander Games

https://slotranker.com/leander-games/gem-zone#score

How to cite

Slot Summary

Released on November 21, 2019, Gem Zone used Leander Games' Dynamic Ways concept to make reel height, and therefore the number of active win routes, change between spins. The format can reach 117649 ways before its Free Spins layer is considered. A 93.8% RTP, high volatility and 28000x ceiling give that expanding format a sharp risk profile, with Reelset Changing carrying more of the identity than the familiar gem symbols.

How It Plays

Each reel has a Dynamic Ways zone whose size and position can change between spins. Only symbols inside the active zones contribute to the current result.

Opening more of those zones increases the number of active symbol positions and winning combinations. The base format can therefore shift substantially without changing the selected stake.

Theme & Atmosphere

Gems and Space supply Gem Zone's visual identity, placing jewel symbols inside an Arcade-style cosmic setting rather than a mine or royal treasure room.

The Fantasy treatment supports the changing reel zones: the field appears less like a fixed machine and more like an adjustable section of space.

Fantasy Space Gems Arcade

Features & Win Potential

Reelset Changing controls the available ways by altering active reel areas. At full expansion, the game can evaluate up to 117649 routes.

Wild symbols substitute for regular symbols, while Scatter symbols govern access to Free Spins. Neither replaces the shifting Dynamic Ways calculation used for ordinary results.

High volatility Free Spins Scatter Symbol Wild Symbol 5 Reels 243 Ways RTP range Reelset Changing

Bonus & Free Spins

Scatter symbols on the first, third and fifth reels trigger ten Free Spins. The feature adds a sixth reel and expands the possible reel heights.

During Free Spins, active ways begin above the base game's minimum and can rise to 117649. Further qualifying Scatters can award ten additional spins.

Spec sheet

Gem Zone at a glance.

Identity

Slot nameGem Zone

StudioLeander Games

Released11/21/2019

Math

SlotRanker Score61

RTP93.8%

VolatilityHigh volatility

Max win28,000×

Bet range$0.20 – $200.00

Player rating4.2 / 5 · 10 votes

Format

Reels5

Paylines117649

Layout5x3

Features

Themes

Expected average based on this slot's 93.8% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$4.96

Cost per session$4.96

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 Gem Zone? 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: High

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 (High). The model is calibrated so the average return equals this slot's published RTP (93.80%), with wins capped at its top multiplier (28,000×).

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 Gem Zone

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Compare Gem Zone with other games

	Gem Zone Score 61This game	Euphoria Megaways Score 79	Starburst Score 74	Cosmic Gems Score 61	Devil's Deal Score 84
Identity
Studio	Leander Games	iSoftbet	NetEnt	2 By 2 Gaming	Hot Rise Games
Released	11/21/2019	5/10/2023	11/12/2013	2/22/2021	10/4/2023
Math
RTP	93.8%	96%	96.09%	96.02%	96.05%
Volatility	High volatility	High volatility	Low volatility	—	Medium volatility
Max win	28,000×	10,000×	500×	200×	20,000×
Format
Reels	5	6	5	5	5
Layout	5x3	6x7	5x3	5x3	5x3
Paylines	117649	117649	10	243	243
Min bet	0.2	0.2	0.1	0.2	0.2
Max bet	200	20	100	20	60
Features
Progressive	—	—	—	—	—
Wild symbol	✓	✓	✓	✓	✓
Free spins	✓	✓	✓	✓	✓
Scatter symbol	✓	✓	—	✓	✓
Multiplier	—	✓	—	—	✓
Bonus game	—	—	—	—	✓
Respins	—	—	✓	—	—

Every number is shown as a delta against Gem Zone.

Comparing against

Gem Zone

Leander Games

RTP

93.8%

Max win

28,000×

Score

+ Multiplier+ Bonus Game

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