Big Bad Bison

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Only the first and the second deposit made within 7 days after the activation of the bonus are taken into account with the offer. Max bonus amount for the first deposit is €300; for the second starting from €15 —€400, for the second starting from €50 — €700. 30x wagering requirements for free spins and 40x for bonuses. The maximum bet allowed when playing with bonus money is of $/C$/€5.

Rules and Gameplay

Embark on a thrilling adventure with Big Bad Bison by Big Time Gaming, a slot game that transports players to the rugged terrains of North America with its detailed and dynamic Megaways grid. This game stands out for its adaptable paylines, offering up to 117,649 ways to win, set against the backdrop of a sprawling desert mountain. Gameplay is accessible and designed to accommodate a wide range of players, with bet levels set from $0.20 to $20. The game’s mechanics are powered by a highly volatile algorithm, ensuring an RTP of 96.58%, guaranteeing a blend of risk and reward that keeps players engaged.

Bonus Features

Big Bad Bison boasts an array of captivating bonus features:

  • Wild Multipliers: Appear on reels 2 through 5, boosting wins by up to x5.
  • Free Spins: Triggered by 3 scatter symbols, starting players off with 12 free spins. Additional scatters during this round add more spins and increase Megaways.
  • Win Exchange: A unique opportunity to gamble wins for more spins, or use a direct buy-in for the bonus round at 50x the stake.

These features enrich the game, providing paths to amplify winnings and adding layers of excitement to each spin.


The symbols in Big Bad Bison are carefully chosen to align with its North American wilderness theme:

  • Low-Value Symbols: 9, 10, J, Q, K, A, offering smaller wins.
  • High-Value Animals: Deer, Wolf, Eagle, and the Bison, with the Bison being the highest paying symbol.
  • Special Symbols: Wilds and scatters, crucial for activating the game’s bonus features.


The payout structure in Big Bad Bison rewards daring adventurers generously:

Symbol 2 of a Kind 3 of a Kind 4 of a Kind 5 of a Kind 6 of a Kind
Bison N/A 1.5x 5x 10x 25x
Eagle N/A 0.5x 1x 1.5x 2.5x
Wolf N/A 0.4x 0.6x 0.8x 1x

This table highlights the potential for substantial wins, particularly with the high-value Bison symbol leading the charge.


Utilizing the innovative Megaways mechanic, Big Bad Bison offers a varying number of ways to win on each spin, up to a staggering 117,649. This system alters the symbol height on each reel, dynamically changing the number of paylines and creating a multitude of winning combinations. The game’s design ensures that players have myriad opportunities to strike it big, making each spin an exciting prospect.

Pros & Cons

Pros Cons
96.59% RTP is highly competitive No progressive jackpot feature
Unique Win Exchange™ feature Limited thematic innovation
Prizes worth up to 67,640x High volatility may deter casual players

Minimum and Maximum Bet

The Big Bad Bison slot caters to a wide range of players, with minimum bets starting as low as $0.20, making it accessible for low rollers and casual players. On the other end of the spectrum, the maximum bet reaches up to $20 per spin, accommodating those willing to risk more for potentially higher rewards. This betting range ensures that both new players and seasoned veterans can enjoy the game according to their individual preferences and bankroll sizes.

Game Jackpot

While Big Bad Bison does not feature a progressive jackpot, it boasts a significant maximum win potential of up to 67,640x your stake. This slot game comes with a Return to Player (RTP) rate of 96.59%, placing it above average in terms of player return. Coupled with its high variance, Big Bad Bison promises the thrill of substantial wins, albeit less frequently, making every spin a potentially game-changing moment.

About Provider

Big Time Gaming, the Australian powerhouse behind Big Bad Bison, is renowned for its innovative approach to slot design, especially with the introduction of the Megaways mechanic. Esteemed within the iGaming industry, BTG has a reputation for creating games that blend high-quality graphics, engaging gameplay, and unique features. Their dedication to enhancing the gaming experience is evident in their diverse portfolio, which continues to push the boundaries of traditional slot gaming.

How To Play

  • Start by selecting your bet size, with options ranging from $0.20 to $20 per spin.
  • Press the Play button to spin the reels. Wins are formed by landing matching symbols on adjacent reels, starting from the leftmost reel.
  • Look out for Wild symbols to increase your chances of winning by substituting for other symbols, except the scatter.
  • Landing three or more scatter symbols triggers the Free Spins feature, offering 12 free spins with the possibility of retriggers and increasing Megaways.
  • Utilize the Win Exchange feature if your win is between 25-49x your stake, offering a gamble for additional free spins or the option to buy the bonus round directly (not available in all jurisdictions).


Big Bad Bison stands out as a testament to Big Time Gaming’s prowess in crafting slot games that are not only visually appealing but also rich in features and winning opportunities. With its high RTP, substantial maximum win potential, and innovative bonus features, it provides a gaming experience that caters to a variety of players. Despite the absence of a progressive jackpot and its high variance, the game’s engaging mechanics and the potential for significant payouts make it a compelling choice for slot enthusiasts seeking thrilling gameplay and the chance for sizable rewards.