NextGen

Lightning Gems

Slots Video Slots Fantasy Magic Gems Star Thunderstorm

NextGen gem slot with two-way wins and roaming Wild Symbols

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

96.48%

return to player

Volatility

Medium volatility

variance

Max win

—

top multiplier

Min bet

$15.00

per spin

Reels

10 lines

Player rating

3.7 ★

20 votes

DEMO Play free, no signup

NextGen

Embed on your site

3.7 / 5

20 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 & RTP9/10

RTP 96.48% → 9.0/10

Volatility8/10

medium → 8.0/10

Win Potential—

no data

Features7.5/10

10 features → 7.5/10

Game Mechanics5.1/10

f=10 r=5 p=10 → 5.1/10

Context signals (tie-breakers)

Layout6/10

5x3 → 6.0/10

Bet Flexibility—

—

Provider Reputation6.1/10

provider avg 6.1 → 6.1/10

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: 68 — Lightning Gems by NextGen

https://slotranker.com/nextgen/lightning-gems#score

How to cite

Slot Summary

A five-reel grid that pays in both directions gives Lightning Gems more line coverage than its 10 Paylines initially imply. NextGen adds randomly activated Wild movement and extra Wild Symbols before shifting the same idea into Free Spins, where additional Wild Symbols enter every reel. The catalog's 96.48% RTP and Medium volatility make the math profile as notable as the Fantasy storm setting.

How It Plays

The 5x3 layout carries 10 Paylines, but Pay Both Ways evaluates matching combinations from either edge of the grid rather than only one direction.

During regular spins, Wild Symbols can appear through random additions or move into a winning position, changing a settled-looking grid before its result is finalized.

Theme & Atmosphere

Fantasy, Gems, Magic, Star, and Thunderstorm themes combine a gemstone hunt with an electrical sky, linking the premium symbols to the game's random Wild activity.

The Thunderstorm subject has a mechanical purpose because lightning announces changes to Wild Symbols, while the Gems and Star material keeps the paytable visually distinct.

Fantasy Magic Gems Star Thunderstorm

Features & Win Potential

Pay Both Ways extends the usefulness of each of the 10 Paylines, while the Wild Symbol substitutes across combinations and can appear through random rewards.

Scatter Symbols provide the Free Spins trigger, and the Multiplier feature supplements a Medium volatility profile with 96.48% RTP across the listed configuration.

Free Spins Multiplier Scatter Symbol Wild Symbol Medium volatility 5 Reels Pay Both Ways RTP range 10 Paylines 96% RTP

Bonus & Free Spins

At least 3 Scatter Symbols award 10 Free Spins, during which 50 additional Wild Symbols are distributed across the 5 Reels to increase Wild coverage.

Spec sheet

Lightning Gems at a glance.

Identity

Slot nameLightning Gems

StudioNextGen

Released9/16/2017

Math

SlotRanker Score68

RTP96.48%

VolatilityMedium volatility

Max win—

Bet rangefrom $15.00

Player rating3.7 / 5 · 20 votes

Format

Reels5

Paylines10

Layout5x3

Features

Themes

Expected average based on this slot's 96.48% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$211.20

Cost per session$211.20

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 Lightning Gems? 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: Medium

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 (96.48%), 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 Lightning Gems

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Compare Lightning Gems with other games

	Lightning Gems Score 68This game	Striking Coin Link Score 80	Moon Rising Score 79	Starlight Princess Score 77	Magic Spins Score 76
Identity
Studio	NextGen	Fugaso	Reloaded Gaming	Pragmatic Play	Wazdan
Released	9/16/2017	11/9/2024	10/28/2022	9/10/2021	4/11/2022
Math
RTP	96.48%	96.12%	96.61%	95.51%	96.17%
Volatility	Medium volatility	High volatility	High volatility	High volatility	High volatility
Max win	—	20,000×	4,000×	5,000×	2,500×
Format
Reels	5	5	6	6	5
Layout	5x3	5x3	6x5	6x5	5x5
Paylines	10	5	Pay Anywhere	20	0
Min bet	15	0.1	0.1	0.2	0.1
Max bet	—	15	100	5	1
Features
Progressive	—	—	—	✓	—
Wild symbol	✓	✓	✓	✓	✓
Free spins	✓	—	✓	✓	—
Scatter symbol	✓	—	—	✓	—
Multiplier	✓	✓	✓	✓	✓
Bonus game	—	✓	✓	—	✓
Respins	—	✓	—	—	✓

Every number is shown as a delta against Lightning Gems.

Comparing against

Lightning Gems

NextGen

RTP

96.48%

Max win

—

Score

+ Bonus Game+ Respins− Free Spins− Scatter

+ Bonus Game− Scatter

+ Bonus Game+ Respins− Free Spins− Scatter

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