Microgaming

Bison Fire Charge

Wildlife multiway slot centered on collection and fixed jackpots

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%

return to player

Volatility

—

variance

Max win

2,500×

top multiplier

Min bet

$0.20

per spin

Reels

4096 lines

Player rating

4.1 ★

15 votes

DEMO Play free, no signup

Microgaming

Embed on your site

4.1 / 5

15 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% → 9.0/10

Volatility8/10imputed

imputed medium (unknown) → 8.0/10

Win Potential6.8/10

x2500.00 (2500×) → 6.8/10

Features10/10

14 features → 10.0/10

Game Mechanics9.1/10

f=14 r=6 p=4096 → 9.1/10

Context signals (tie-breakers)

Layout5/10

4x6 → 5.0/10

Bet Flexibility6/10

0.2–25 (×125) → 6.0/10

Provider Reputation5.9/10

provider avg 5.9 → 5.9/10

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: 70 — Bison Fire Charge by Microgaming

https://slotranker.com/microgaming/bison-fire-charge#score

How to cite

Slot Summary

A six-reel, four-row field with 4096 ways gives Bison Fire Charge enough space for symbol collection, Respins, and Fixed Jackpots to intersect. Microgaming places the collection mechanic at the center: prize-bearing symbols matter when the corresponding collector arrives, while Free Spins add a multiplier layer. The x2500 ceiling makes that combined feature route more important than ordinary wildlife matches.

How It Plays

Winning combinations use the Multiway format across adjacent reels. That removes fixed-line tracking and leaves the larger grid available for ordinary symbols, Wilds, and collection-related symbols.

Symbol collection changes the value of a spin when a collector appears with qualifying prize symbols. Respins can extend that event instead of resolving every opportunity immediately.

Theme & Atmosphere

Bison Fire Charge uses Wildlife as its subject, with the bison serving as both the title character and the visual cue for force and scale.

The fire treatment supports the collection and Respin mechanics by marking feature activity more forcefully than the ordinary animal symbols, while the grid remains readable.

Wildlife

Features & Win Potential

Fixed Jackpots sit inside the collection route rather than functioning as a separate progressive prize. Special jackpot symbols must be gathered through the relevant collection event.

Random Multipliers and Wild Multipliers add separate value modifiers. Respins create extra opportunities for those mechanics to connect with collected symbols before the feature sequence ends.

Free Spins Multiplier Scatter Symbol Wild Symbol Respins Wild Multipliers Bonus Game Multiway (+1024)Symbols collection (Energy)Bonus symbols Free Spins Multiplier Random multiplier Fixed Jackpots Additive symbol

Bonus & Free Spins

Scatter Symbols trigger Free Spins, where a Free Spins Multiplier can raise qualifying wins. The Bonus Game therefore extends the same collection logic while adding a stronger multiplier condition.

Spec sheet

Bison Fire Charge at a glance.

Identity

Slot nameBison Fire Charge

StudioMicrogaming

Released5/4/2026

Math

SlotRanker Score70

RTP96%

Max win2,500×

Bet range$0.20 – $25.00

Player rating4.1 / 5 · 15 votes

Format

Reels6

Paylines4096

Layout4x6

Features

Themes

Expected average based on this slot's 96% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$3.20

Cost per session$3.20

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 Bison Fire Charge? 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 (96.00%), with wins capped at its top multiplier (2,500×).

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 Bison Fire Charge

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

Compare Bison Fire Charge with other games

	Bison Fire Charge Score 70This game	Gold Panther Maxways Score 88	Tiger's Ice Score 86	Diamond King Gold Score 86	3 Charge Buffalo Score 85
Identity
Studio	Microgaming	Spadegaming	Alchemy Gaming	SpinPlay Games	Jili Games
Released	5/4/2026	5/12/2022	12/5/2022	8/2/2022	12/30/2024
Math
RTP	96%	96.67%	96.2%	96.44%	96.27%
Volatility	—	High volatility	High volatility	High volatility	Medium/High
Max win	2,500×	—	20,000×	10,240×	—
Format
Reels	6	6	5	5	5
Layout	4x6	6x4	5x5	5x4	5x3
Paylines	4096	200704	3125	1024	1024
Min bet	0.2	0.3	0.3	0.2	0.2
Max bet	25	450	21	25	200
Features
Progressive	—	—	—	—	—
Wild symbol	✓	✓	✓	✓	✓
Free spins	✓	✓	✓	✓	✓
Scatter symbol	✓	✓	✓	✓	✓
Multiplier	✓	—	✓	✓	✓
Bonus game	✓	✓	—	—	—
Respins	✓	—	—	—	—

Every number is shown as a delta against Bison Fire Charge.

Comparing against

Bison Fire Charge

Microgaming

RTP

96%

Max win

2,500×

Score

− Multiplier− Respins

− Bonus Game− Respins

− Bonus Game− Respins

− Bonus Game− Respins

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