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Release The Bison Slot


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Our rating:
  • A nice-looking American wilderness theme
  • Wild respin feature can build up multipliers
  • Different bonuses can offer free spins and ranging multipliers

Release The Bison comes from Pragmatic Play and offers a familiar theme but still a very nice design set in the North American wilderness. It plays out on a familiar 5×4 grid with 20 pay lines. Just spin the reels and look to get a winning combination from left to right using the following base symbols:

  • 10
  • Jack
  • Queen
  • King
  • Ace
  • Cat
  • Hyena
  • Eagle
  • Wolf



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Release The Bison Slot Bonuses and Features

Wild Symbol. This is shown as the bison and substitutes for all other symbols in a winning combination apart from the bonus symbol. It can appear on all reels and is also the most valuable symbol in the game when it forms a win on its own.

Wild Respin Feature. If you manage to land 4 or more wild symbols in a single spin, the respin feature will trigger. Here, all wild symbols will roam about, moving to new, random positions after each respin. If a new wild lands, another respin is given and the multiplier that applies to all wins increases by 1x, also making the new wild a roaming wild. You can also land scatter symbols, shown as diamonds, in this feature and they will be collected. If you collect 3 or more, the free spins bonus will trigger.

Guaranteed Win. Sometimes at random in the base game, a non-winning spin can turn into a winning one, giving you 10x-40x your stake as a reward.

Free Spins Bonus. This is triggered by landing 3, 4 or 5 scatter symbols. However, if you land just 2 then sometimes a respin will be given to help you land another one. A wheel will appear with 2 sides, one showing a number of free spins and the other a multiplier. This will determine what you start with, and will also vary based on how many scatters triggering the bonus:

  • 3 scatter symbols. This can give you 8-18 free spins with a 1x-5x multiplier.
  • 4 scatter symbols. This can give you 8-18 free spins with a 2x-5x multiplier.
  • 5 scatter symbols. This can give you 10-18 free spins with a 3x-5x multiplier.

Wild symbols that land here are collected too and for each 1 collected after the 5th, another free spins is given and your multiplier increases by 1x too. You can collect up to 10 wilds in total.

Bonus Buy. In some regions, you can buy the main bonus for 80x, 150x or 300x your stake, giving you 3, 4 or 5 scatter symbols, respectively.



Release The Bison slot from Pragmatic Play has several fun and engaging features, including a nice respin feature in the base game and a free spins bonus that offers multipliers that can also increase as you play the bonus. Interestingly, it has an RTP range varying from 95.48% up to a very high 97.49% so keep an eye out for that one. The maximum win here though is just 3,000x, below the average for this developer which is surprising. Overall though, it’s still a good slot and worth checking out, or read our review on Barnyard Megahays Megaways also from Pragmatic Play here.


A Decent Slot But Nothing Special





  • Nice respin feature.
  • Good main bonus.


  • Low win potential.
  • Unoriginal design.

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