Bison Valley

Bison Valley Slot Review

A red sandstone cliff burns orange in the last of the light, a peach sky fades into dusty ground, and a dark bison stands half in frame at the edge of it all. iSoftBet‘s Bison Valley is built on one conviction: that a single wheel, fed by nothing but Scatters, is enough to carry an entire game. It’s a narrower design than most, and it works because everything on the reels points at that wheel.

The build is a 5×4 grid with 1,024 ways to win, running at mid to high volatility. It sits in the studio’s naturalist corner alongside Roar Of The Bear Megaways and Hot Spin Megaways, though without the Megaways engine underneath. The canyon, it turns out, has one road out.

The Base Game on 1,024 Ways

Wins pay left to right on adjacent reels, and the number of winning ways is the count of matching symbols on each reel multiplied together. Two on the first reel, three on the second and one on the third makes six ways from a single combination. Only the highest win per way counts, and everything except Scatters pays from left to right.

Each spin costs twenty times the selected coin value, so the coin you pick drives everything on the meter. The animals carry the money here, and the Bison is the one to watch, landing stacked once the bonus round arrives. The royals fill the gaps. The pays below are multiples of the total bet:

• Bison: 10x for three, 12.5x for four, 15x for five
• Fox / Armadillo: 4x, 10x, 12.5x
• Hawk / Marmot: 2x, 5x, 7.5x
• A / K: 0.5x, 3x, 7x
• Q / J: 0.25x, 2x, 6x
• 10 / 9: 0.25x, 1x, 5x

Two symbol tiers do the real work. The Bison sits clear of everything else, and the mid-tier animals hold enough value that a full reel set of them stacks a single payout across a large number of ways at once. The royals keep the meter ticking between the moments that matter, which on a 1,024-ways grid is their whole job.

Wilds replace any symbol except Scatters, appear only on reels two, three and four, and only one Wild is possible per reel. Scatters are marked Bonus, and three or more of them in view trigger the Bonus Wheel. That’s the base game’s entire job: spin, collect animals, hunt Scatters.

Double Up Side Bet

Double Up is a toggle that doubles the cost of every spin. In exchange, all Scatters double in size and can land fully or partially in view to help trigger the Bonus Wheel. Stacked Scatters only ever count as one symbol whether they land fully or not.

In plain terms, the option works like this:

• Every spin costs twice your normal stake while it’s on
• All Scatters become double-height symbols
• Bigger Scatters can land partially in view and still help trigger the wheel
• Payout values for symbols and cash prizes stay exactly the same

You’re buying trigger chances, nothing else. The distinction matters more than it sounds, because the wheel is the only route to anything in this game. A half-visible double Scatter on reel five is worth something here in a way it wouldn’t be in a game with five different bonus routes. It’s a clean design: the price is visible on every spin, the effect is easy to see on the reels, and it costs nothing if you leave it off.

The Bonus Wheel

Scatters are the only way in, and the more you land, the more the wheel works in your favour:

• Three Scatters = one wheel spin
• Four Scatters = two wheel spins
• Five Scatters = three wheel spins

On each spin of the wheel, one of eight awards is won. The cash rungs are the GRAND at 20,000 coins, the MAJOR at 2,000 and the MINI at 1,000, and the coin values on the ladder scale with your stake. The remaining awards include Free Spins, which can only be reached through the wheel, so there’s no separate scatter trigger to chase. Two or three wheel spins from a four- or five-Scatter landing means two or three bites at whichever award lands best.

Free Spins

The Free Spins round is only reachable via the wheel, and it changes two things about the reels:

• The top-paying Golden Bison appears both single and stacked
• Wilds can randomly arrive as x2 or x3 multiplier Wilds and multiply any wins they’re part of

Stacked premium symbols plus multiplying Wilds on the middle reels is a combination that can move quickly. With 1,024 ways in play, a stack of Golden Bisons across several reels multiplies a single symbol payout many times over, and a x3 Wild in the middle of it does the rest. Multiplier Wilds only land during this round, which is what separates it from the base game beyond the stacking.

Buy Feature

The Buy Feature costs 100x the current bet. A bought spin is guaranteed to trigger the Bonus Wheel with one wheel spin certain, so the ladder or the Free Spins round is coming whether the reels cooperate or not.

Double Up isn’t available on a bought spin, so the two costs never stack. The price is fixed at a hundred stakes regardless of what’s happening on the reels. That also means the guaranteed trigger is the minimum, not the ceiling: one wheel spin is certain, and what it awards is down to the wheel.

Our Honest Verdict

Overall Rating: 7.2/10

Playing Bison Valley is a long, warm wait for one spin of a wheel. The base game is plain ways-spinning with a modest paytable, and the whole appeal rests on the moment those Scatters finally line up. That’s the reason to sit down at this canyon: everything you do, including Double Up, is about getting to the wheel sooner.

Its strength is the Free Spins round, where stacked Golden Bisons across 1,024 ways meet x2 and x3 Wilds on the middle reels. It’s the one place the maths genuinely sings. Its weakness is that everything else is a corridor leading there.

This suits players who enjoy a single well-made bonus round and don’t need five routes to it, and it’ll leave anyone who wants a kitchen-sink feature set cold. For a patient player on a warm evening, the valley pays its way.

Bison Valley FAQs

• How do you trigger the Bonus Wheel in Bison Valley?

  Three or more Scatter symbols in view trigger the Bonus Wheel. Three Scatters earn one wheel spin, four earn two, and five earn three.
• What does the Double Up option do in Bison Valley?

  Double Up doubles the cost of each spin and makes all Scatters double in size so they can land fully or partially in view, helping trigger the Bonus Wheel. It doesn’t increase any symbol payouts or cash prizes, and stacked Scatters always count as one symbol.
• What happens during Bison Valley free spins?

  The top-paying Golden Bison symbol appears both single and stacked, and Wilds can randomly arrive as x2 or x3 multiplier Wilds that multiply any wins they’re part of.
• Can you buy the bonus on Bison Valley?

  Yes. The Buy Feature costs 100x the current bet and guarantees a Bonus Wheel trigger with one wheel spin. Double Up isn’t available on bought spins.
• What are the Bonus Wheel cash prizes in Bison Valley?

  Each wheel spin wins one of eight awards. The cash rungs are the GRAND at 20,000 coins, the MAJOR at 2,000 and the MINI at 1,000, and the coin values scale with your stake.
• What do Wilds do in Bison Valley?

  Wilds substitute for every symbol except Scatters, land only on the middle three reels with a maximum of one per reel, and during Free Spins they can carry x2 or x3 multipliers.
• How many paylines does Bison Valley have?

  Bison Valley has 1,024 possible winning ways on a 5×4 grid, with wins paid left to right on adjacent reels and only the highest win per way awarded.
• Who makes Bison Valley?

  Bison Valley is made by iSoftBet. Bison Valley’s release date is 20 July 2023.