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Bonanza is an engaging non-progressive slot game created by Big Time Gaming. It distinguishes itself with an innovative mining-inspired theme, set across 6 reels. Unlike traditional slots, Bonanza utilizes the Megaways system, offering up to 117,649 ways to win. This game immerses players in a vibrant mining environment, enhanced by its detailed graphics and dynamic reels. Features include a unique reaction mechanism, free spins, and an unlimited win multiplier. With its combination of wilds and scatter symbols, along with the chance for expanding multipliers, players have the opportunity to uncover a jackpot win of up to 10,000 times their stake.

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Practice Playing the Bonanza demo slot game here for free. For your free bonus, play at the casinos we’ve listed below. Or, you can visit Big Time Gaming Casinos. There, you’ll find a comprehensive list of online casinos that offer Bonanza Slot for real money play.

Bonanza Slot Review

“Bonanza” by Big Time Gaming, released in 2016, revolutionized the online slot world with its innovative Megaways™ engine, boasting up to 117,649 ways to win. Set in a mining theme, this game takes players on an explosive adventure deep within a gemstone-laden mine shaft. Licensed across multiple jurisdictions including the UK, Malta, and Alderney, Bonanza offers a dynamic gaming experience that has captivated players globally.


Visuals and Theme Consistency

Bonanza masterfully blends its mining theme with high-quality visuals and an engaging soundtrack. The backdrop of a mine entrance and a water wheel spinning alongside the reels immerses players in a mining atmosphere. Each symbol, from gemstones to playing card values, complements the theme, maintaining thematic consistency throughout.

Betting Options and Strategies

Players can start spinning the reels with a minimum wager of $0.20, going up to a maximum of $20.00 per spin. This range caters to both casual players and high rollers. The Megaways™ engine, adjusting the number of symbols on each reel with every spin, creates a dynamic gameplay experience. Strategically, increasing bets during a high number of Megaways™ can enhance winning chances, especially when aiming for the game’s jackpot.


The jackpot in Bonanza can be achieved through a combination of high-value symbols and the game’s multipliers during the free spins feature. The maximum win is up to 10,000 times the player’s stake, translating to a potential jackpot of $200,000 on a maximum bet.

Slot Features

Bonanza’s symbols and features are pivotal to its gameplay mechanics and winning potential:

  • Lower-Value Symbols: Playing card values 9 through A, resembling rock-carved letters.
  • Higher-Value Symbols:
    • Green Gem
    • Blue Gem
    • Red Gem
    • Diamond: The most lucrative symbol.
  • Scatter Symbols: Letters G, O, L, D trigger the free spins feature.
  • Wild Symbol: Dynamite sticks, substituting for all symbols except scatters.

Free Spins and Bonus Features:

  • Free Spins: Landing all four G, O, L, D letters awards 12 free spins, with each additional scatter adding 5 more spins.
  • Unlimited Win Multiplier: Starts at 1x and increases with each consecutive win.
  • Carts Feature: Adds an extra symbol above reels 2-5, increasing ways to win.

The free spins feature, coupled with the unlimited multiplier, is the heart of Bonanza’s high winning potential, offering players thrilling opportunities for substantial rewards.

Jackpot and Payouts

To hit the jackpot in Bonanza, players should focus on triggering the free spins feature, where the unlimited win multiplier can lead to massive payouts. The combination of high-value gemstones, particularly the diamond symbol, and consecutive wins during the free spins can result in the maximum win of 10,000 times the stake. In terms of payouts, the diamond symbol can pay up to 50 times the stake for six on a payline, translating to significant dollar values at maximum bet levels.

Software and Graphics

Big Time Gaming’s Bonanza showcases the developer’s prowess in creating engaging and visually stunning online slots. The use of the Megaways™ engine not only enhances gameplay but also exemplifies innovation in slot design. The graphics are crisp, with animations that bring the mining theme to life, complemented by an acoustic soundtrack that enriches the player’s experience.

Return to Player (RTP) / Volatility

Bonanza boasts an RTP of 96%, aligning with the industry average and ensuring a fair balance between risk and reward. Its high volatility means that while wins may not be frequent, they have the potential to be significant, especially during the bonus features.


“Bonanza” by Big Time Gaming remains a gem in the vast mine of online slots, thanks to its innovative Megaways™ engine, captivating theme, and potential for big wins. With its engaging gameplay, comprehensive betting options, and exciting features, it offers an adventure that players keep returning to. Whether you’re a seasoned miner or new to the game, we recommend giving Bonanza a spin. Explore this dynamite slot in a demo slot game and discover the riches that await deep within the mine.

Coin Details

  • Reels 6
  • Paylines: Up to 117,649 ways to win using the Megaways system
  • Progressive: No
  • Max Cash Jackpot: Depends on the maximum bet and multiplier achieved during play
  • Max Win: 139200x bet
  • Scatter symbol: Yes, typically represented by a unique Christmas-themed icon that triggers free spins or bonus rounds
  • Wild symbol: Yes, often depicted by a festive symbol that substitutes for other symbols to form
  • Multiplier: Yes, with increasing values during bonus rounds or under certain game conditions
  • Free Spins: Yes, awarded through scatter symbols or specific combinations
  • Bonus Game: Yes, features may include picking games, additional free spins, or multipliers
  • Betting range: Wide, accommodating both low and high rollers
  • Theme: Christmas and festive holiday
  • Volatility: High
  • Slot Type: Video Slots
  • Software: Big Time Gaming
  • Released: 7 February 2024
  • Aspect Ratio: 16:9
  • RTP: Around 96% – 97%, indicative of Big Time Gaming’s general RTP range for slots
  • Mobile Version: Yes, fully optimized for mobile play
  • Technology: HTML5, ensuring compatibility across devices and platforms