Thunderkick

Flux

Slots Video Slots Space Futuristic Gems Neon Music Elements Arcade Sci fi

Abstract crystal slot with selectable reel-changing bonus modes

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

96.2%

return to player

Volatility

Low volatility

variance

Max win

2,562×

top multiplier

Min bet

$0.10

per spin

Reels

15 lines

Player rating

4.8 ★

12 votes

DEMO Play free, no signup

Thunderkick

Embed on your site

4.8 / 5

12 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 96.2% → 9.0/10

Volatility6/10

low → 6.0/10

Win Potential6.8/10

x2562.00 (2562×) → 6.8/10

Features10/10

14 features → 10.0/10

Game Mechanics5.3/10

f=14 r=5 p=15 → 5.3/10

Context signals (tie-breakers)

Layout6/10

5x3 → 6.0/10

Bet Flexibility6/10

0.1–100 (×1000) → 6.0/10

Provider Reputation7/10

provider avg 7.0 → 7.0/10

Popularity2.5/10

synthetic proxy → 2.5/10

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: 69 — Flux by Thunderkick

https://slotranker.com/thunderkick/flux#score

How to cite

Slot Summary

A river of crystals gives Flux its abstract subject and a reason for its shifting reel shapes. Thunderkick pairs that futuristic setting with Stacked Symbols, Expanding Reels, and 3 selectable Free Spins modes. The 96.2% RTP and low-volatility profile point toward a gentler rhythm, while the choice of altered reel arrangements keeps the bonus from being a single fixed sequence.

How It Plays

Flux evaluates combinations across 15 paylines on 5 reels. Stacked wilds can cover several positions, giving ordinary line results their main source of variation.

Low volatility sets a comparatively measured rhythm, while a bet range from 0.1 to 100 allows broad stake adjustment without changing the underlying line arrangement.

Theme & Atmosphere

The fictional river of crystals places Flux between Futuristic, Space, and Sci fi imagery, with abstract Gems carrying the subject instead of characters or a narrative plot.

Neon and Music cues reinforce its Arcade character. The presentation treats the Elements as moving energy, matching the way the reel arrangement changes during special rounds.

Space Futuristic Gems Neon Music Elements Arcade Sci fi

Features & Win Potential

Stacked Symbols can fill multiple positions on any reel, helping the Wild Symbol participate in several 15-payline combinations within the same result.

Expanding Reels and Reelset Changing alter the available field during bonus play. Free Spins Mode Choosing lets the player select which structural change takes priority.

Free Spins 5 Reels Bonus Game Stacked Symbols Expanding Reels Low volatility Low/Medium RTP range 96% RTP Bonus symbols Free Spins Mode Choosing Reelset Changing 3D 15 Paylines

Bonus & Free Spins

Landing the required Bonus symbols opens a choice among 3 Free Spins modes, with the alternatives changing round quantity, extra rows, or bidirectional payouts.

The choice determines how the reel set behaves for the feature. One route favors more rounds, while another exchanges quantity for a larger field or two-way evaluation.

Spec sheet

Flux at a glance.

Identity

Slot nameFlux

StudioThunderkick

Released11/24/2014

Math

SlotRanker Score69

RTP96.2%

VolatilityLow volatility

Max win2,562×

Bet range$0.10 – $100.00

Player rating4.8 / 5 · 12 votes

Format

Reels5

Paylines15

Layout5x3

Expected average based on this slot's 96.2% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$1.52

Cost per session$1.52

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 Flux? 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: Low

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 (Low). The model is calibrated so the average return equals this slot's published RTP (96.20%), with wins capped at its top multiplier (2,562×).

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 Flux

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Compare Flux with other games

	Flux Score 69This game	Neon Rush Splitz Score 81	Astro Legends: Lyra and Erion Score 75	Reel Hero Score 67	Sweet Saga Score 88
Identity
Studio	Thunderkick	Yggdrasil Gaming	Foxium	Wazdan	Caleta Gaming
Released	11/24/2014	3/27/2020	11/21/2018	8/12/2020	2/10/2025
Math
RTP	96.2%	96.3%	96.4%	96.22%	96.94%
Volatility	Low volatility	High volatility	High volatility	—	High volatility
Max win	2,562×	25,676×	—	1,050×	10,461×
Format
Reels	5	5	5	5	6
Layout	5x3	5x3	5x5	5x3	6x6
Paylines	15	10	Cluster (3 or more adjacent symbols)	20	Cluster Pays
Min bet	0.1	0.1	0.1	0.2	0.1
Max bet	100	40	10	100	300
Features
Progressive	—	—	—	—	—
Wild symbol	—	✓	✓	✓	✓
Free spins	✓	✓	—	✓	✓
Scatter symbol	—	✓	—	✓	✓
Multiplier	—	—	✓	—	✓
Bonus game	✓	✓	—	—	—
Respins	—	—	✓	—	—

Every number is shown as a delta against Flux.

Comparing against

Flux

Thunderkick

RTP

96.2%

Max win

2,562×

Score

Astro Legends: Lyra and Erion

+ Wild+ Multiplier+ Respins− Free Spins− Bonus Game

+ Wild+ Scatter− Bonus Game

+ Wild+ Scatter+ Multiplier− Bonus Game

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01What is the RTP of Flux?

Flux has a listed RTP of 96.2%, a low-volatility profile, and an x2562.00 maximum win.

02Who developed the Flux slot?

Flux was developed by Thunderkick and uses the studio's fictional Thunderverse as the setting for its river of crystals.

03How many Free Spins modes does Flux offer?

The bonus provides 3 selectable modes, changing the number of rounds, the reel height, or the direction from which combinations can pay.

04What do the stacked wilds do?

Stacked wilds can occupy several positions on a reel and substitute for regular symbols, increasing the chance of completing connected payline combinations.

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