Bison Storm Slot Review

Bison Storm Slot Overview

Bison Storm is a high volatility slot from TrueLab Games set against the wild landscapes of Arizona. The action plays out on a 6x4 grid with 4096 ways to win, and wins land when three or more matching symbols hit on adjacent reels from the left. With a default RTP of 96.05% and a max win of 25,000x, I knew straight away this one could hit very hard.

The slot leans heavily into its bison theme, with the main herd leading the charge during bigger hits. Stormy gameplay fits the title well, thanks to an endless-feeling Free Spins mode, stacked Wilds and multipliers, plus the Hot Mode Storm Bonus that strips out low symbols. From my first session, Bison Storm felt like a game built for long, swingy sessions where a single bonus can rewrite the balance.

Bison Storm Slot Information

Bison Storm drops you into a broad valley framed by sand-coloured mountains, with a bright blue sky and a small creek cutting through the dust. The reels sit in a wooden frame, with the logo off to the side and gentle nature sounds in the background. I have played it on mobile, tablet and desktop without any fuss, and the ways-win system works smoothly across all devices.

Bison Storm Symbols and Paytable

The lower-paying symbols in Bison Storm are the classic card ranks from 9 up to A. You need at least three adjacent from the left, and a full screen of six-of-a-kind low symbols pays between 2x and 3x the stake. These hits keep the balance ticking over in the base game, but they rarely move the needle in a serious way unless several ways connect at once.

Premium symbols are where Bison Storm really comes alive. Cougars, eagles, wolves and bears climb up the paytable, while the bison itself sits on top, paying up to 7.5x for six of a kind. Mid-tier symbols can reach around 6.25x for full hits, and when you land multiple premium combinations across the 4096 ways, the total win can jump sharply even without multipliers in play.

The Wild symbol in Bison Storm is a gold coin that lands on reels two to six and substitutes for everything except the Scatter. In the base game, it behaves as a straight substitute, patching gaps in winning ways. Once you enter Free Spins, that same Wild starts carrying multipliers, so a simple three-symbol win can explode if several coins drop in together on the middle reels.

Symbols and Paytable

Symbol	Quantity	Payout
	6	x7.5
	5	x6.25
	4	x5
	3	x2
	6	x6.25
	5	x5
	4	x2.5
	3	x1.5
	6	x6.25
	5	x5
	4	x2.5
	3	x1.5
	6	x5
	5	x3
	4	x2
	3	x1
	6	x5
	5	x3
	4	x2
	3	x1
	6	x3
	5	x2
	4	x1
	3	x0.5
	6	x3
	5	x2
	4	x1
	3	x0.5
	6	x2.5
	5	x1.5
	4	x0.75
	3	x0.25
	6	x2.5
	5	x1.5
	4	x0.75
	3	x0.25
	6	x2
	5	x1
	4	x0.5
	3	x0.25
	6	x2
	5	x1
	4	x0.5
	3	x0.25

Bison Storm Slot Features

Free Spins are the main feature in Bison Storm, triggered by Scatter symbols anywhere on the reels. Hitting three, four, five or six scatters awards 8, 15, 25 or a massive 100 free spins. During the bonus, landing 2, 3, 4, 5 or 6 scatters retriggers 5, 8, 15, 25 or 100 extra spins. I have had long sessions where a single feature felt almost endless thanks to repeated retriggers.

Wild Multipliers only appear during Free Spins, and they are the heart of Bison Storm’s punch. When a Wild coin lands with a multiplier of 2x, 3x or 5x and forms part of a win, that value applies to the total on that spin. Multiple multipliers stack multiplicatively, so a 2x and 3x together give 6x. They reset after each spin, which keeps every new tumble feeling fresh.

Hot Mode, sometimes called the Storm Bonus, adds serious excitement. It can trigger before Free Spins start or during the round when at least two scatters land. Once active, all low-paying symbols are removed, leaving just the premium beasts and special icons on the reels. When I hit Hot Mode with a few Wild Multipliers flying in, the screen felt packed with potential on almost every spin.

Bonus Buy Feature

Free Spins Triggers a bonus game with 8 free spins worth x100 of the current bet, including the ability to activate additional spins and the hot Storm Bonus mode.
Feature Cost:	x100 Bet
RTP:	96.17%
Volatility:	-
Super Free Spins Triggers a bonus game with 8 free spins worth x1000 of the current bet, including a much higher chance of landing Wild Multipliers and a Hot Mode.
Feature Cost:	x1000 Bet
RTP:	96.13%
Volatility:	-

Bonus Buy Feature in Bison Storm

If you do not fancy waiting for the bonus, Bison Storm offers a Buy Bonus feature. For 100x your current stake you jump straight into 8 regular Free Spins, with RTP around 96.17% on that purchase. There is also a high-risk Super Free Spins option for 1000x the bet, with a slightly lower RTP of about 96.13% but a much greater chance of landing Wild Multipliers and Hot Mode during the round.

Bison Storm Demo Version

I always like to test a new high volatility slot in demo mode, and Bison Storm is no exception. The free version lets you spin without risking real money while you get used to the 4096 ways system, the pace of the base game and how often scatters tend to show. It is a handy way to see whether the swings suit your bankroll and patience.

When I try Bison Storm in demo, I usually run at least a hundred auto spins at a few stake levels. I watch how the Free Spins behave, how often Wild Multipliers appear, and what the average wins look like with and without Hot Mode. Checking the paytable alongside those test spins gives a clear picture of how the slot treats both small bets and larger, more aggressive stakes.

Bison Storm Slot Verdict

After several sessions, Bison Storm has shown itself as a proper high-risk, high-reward slot. The combination of 4096 ways, Wild Multipliers up to 5x and a Hot Mode that removes low symbols means the bonus game can go wild in a hurry. At the same time, the base game can feel quiet, so I only sit down with a balance I am ready to swing around.

RTP is listed at 96.05%, but there are also lower settings down to 89.15%, so I always check the info panel before playing for real. With a max win of 25,000x the bet and the option to buy straight into the bonus, Bison Storm suits players who enjoy volatile slots with strong free spin potential and do not mind stretches of dry spins along the way.

Screenshots