Nailed It Games

Unstoppable Bison

Slots Video Slots Wild West Nature Star Animals Patriotic Wildlife

Wildlife slot connecting bison respins and 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

96.14%

return to player

Volatility

Medium volatility

variance

Max win

5,000×

top multiplier

Min bet

$0.20

per spin

Reels

40 lines

Player rating

4.0 ★

18 votes

DEMO Play free, no signup

Nailed It Games

Embed on your site

4.0 / 5

18 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 96.14% → 9.0/10

Volatility8/10

medium → 8.0/10

Win Potential7.4/10

x5000.00 (5000×) → 7.4/10

Features10/10

13 features → 10.0/10

Game Mechanics6.7/10

f=13 r=5 p=40 → 6.7/10

Context signals (tie-breakers)

Layout6/10

5x3 → 6.0/10

Bet Flexibility6/10

0.2–40 (×200) → 6.0/10

Provider Reputation7.1/10

provider avg 7.1 → 7.1/10

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: 73 — Unstoppable Bison by Nailed It Games

https://slotranker.com/nailed-it-games/unstoppable-bison#score

How to cite

Slot Summary

North American bison supply both the subject and the central moving part of Unstoppable Bison. Nailed It Games turns stacked animal symbols into locked respin sequences, then reuses the bison focus during Free Spins and a separate Bonus Wheel. The 40-line format, medium volatility, 96.14% RTP, and x5000.00 ceiling give those linked features a conventional frame while the Star collection creates another target across ordinary spins.

How It Plays

Regular wins use 40 paylines across five reels. Stacked bison have a second function because a qualifying stack starts the Respin Locking Win sequence.

Once Respins begin, the bison shift left and stay fixed. Each additional bison can grant another respin, allowing the locked group to occupy more positions.

Theme & Atmosphere

The bison stands over a North American Wild West landscape, tying the Animals and Wildlife subjects to open Nature rather than a zoo or cartoon setting.

Patriotic and Star motifs appear through the collection meter and jackpot presentation. They complement the frontier setting without replacing the bison as the main visual subject.

Wild West Nature Star Animals Patriotic Wildlife

Features & Win Potential

Symbols collection uses Stars as stored Energy for the Bonus Wheel route. The wheel can be triggered from ordinary play and contains four Fixed Jackpots.

Respin Locking Win keeps landed bison in place, while Stack symbols make the initial trigger visually clear. Wild Symbols continue to support regular line combinations.

Free Spins Scatter Symbol Wild Symbol Respins Medium volatility Bonus Game Symbols collection (Energy)Bonus symbols Bonus wheel Fixed Jackpots Stack Respin Locking Win Pot Collection

Bonus & Free Spins

Free Spins begin through Scatter Symbols and narrow the active symbol mix toward bison. Existing and newly landed bison remain locked, extending the same collection idea beyond the base game.

The Bonus Wheel provides the jackpot event, using accumulated Stars to create a trigger opportunity. Its possible outcomes include four Fixed Jackpots and smaller wheel prizes.

Spec sheet

Unstoppable Bison at a glance.

Identity

Slot nameUnstoppable Bison

StudioNailed It Games

Released1/25/2025

Math

SlotRanker Score73

RTP96.14%

VolatilityMedium volatility

Max win5,000×

Bet range$0.20 – $40.00

Player rating4.0 / 5 · 18 votes

Format

Reels5

Paylines40

Layout5x4

Features

Themes

Expected average based on this slot's 96.14% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$3.09

Cost per session$3.09

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 Unstoppable Bison? 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 (96.14%), with wins capped at its top multiplier (5,000×).

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 Unstoppable Bison

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Compare Unstoppable Bison with other games

	Unstoppable Bison Score 73This game	Eagle Riches Score 57	Bison Moon Megaways Score 83	Eagle of Fortune Score 81	Bison Battle Score 80
Identity
Studio	Nailed It Games	Red Tiger Gaming	Northern Lights Gaming	Jelly	Push Gaming
Released	1/25/2025	12/5/2019	10/7/2024	2/20/2025	1/13/2022
Math
RTP	96.14%	94.7%	96.1%	95.96%	95.35%
Volatility	Medium volatility	High volatility	High volatility	Medium/High	High volatility
Max win	5,000×	2,412.4×	10,000×	—	50,000×
Format
Reels	5	5	6	5	5
Layout	5x4	5x3	6x7	5x3	5x4
Paylines	40	40	117649	Pay Anywhere	20
Min bet	0.2	0.1	0.2	—	0.1
Max bet	40	40	20	100	3
Features
Progressive	—	—	—	—	—
Wild symbol	✓	✓	✓	✓	✓
Free spins	✓	✓	✓	✓	✓
Scatter symbol	✓	✓	✓	✓	✓
Multiplier	—	—	✓	✓	✓
Bonus game	✓	—	✓	✓	✓
Respins	✓	—	✓	✓	✓

Every number is shown as a delta against Unstoppable Bison.

Comparing against

Unstoppable Bison

Nailed It Games

RTP

96.14%

Max win

5,000×

Score

− Bonus Game− Respins

Bison Moon Megaways

Northern Lights Gaming

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01How are Respins triggered in Unstoppable Bison?

A stack of bison symbols starts the Respins feature. The bison move left and remain locked while new bison can add another respin.

02What do collected Stars do?

Stars feed the collection meter and can trigger the Bonus Wheel, which contains smaller prizes alongside four Fixed Jackpot targets.

03Does Unstoppable Bison have Free Spins?

Yes. Scatter Symbols trigger Free Spins, where bison symbols take over the active reel set and remain central to the feature's locked-symbol behavior.

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