Bone Bonanza
If you're on the hunt for a slot that combines classic gem-mining charm with the explosive potential of modern mechanics, this is the right place than Bone Bonanza.
Bone Bonanza facts
- RTP
- 96%
- Volatility
- High
- Reels
- 6
- Paylines
- Fixed
- Max win
- 282,680×
- Bet range
- 0.2 – 20
- Max win per spin
- 282,680 at max bet
- Game type
- Slots
- Provider
- BGaming
RTP varies by casino. Studios release the same slot in more than one RTP build and each casino picks which one it runs, so check the RTP in this game's own info screen at the casino where you play.
Facts from the SlotsLaunch games feed, last synced 6 Sep 2026. The rules inside the game take precedence.
Bone Bonanza paytable and rules
Recorded from Bone Bonanza's own information screens while the game ran in demo mode at a licensed casino, 7 September 2026. Symbol values appear exactly as the game prints them, which below means cash amounts at a 1.00 FUN spin. A casino can run a different build of a slot, so check the game's own info screen where you play.
| Symbol | 12+ | 10-11 | 8-9 | 6 | 5 | 4 |
|---|---|---|---|---|---|---|
| green skull | 50.00 FUN | 25.00 FUN | 10.00 FUN | |||
| pink bottle | 25.00 FUN | 10.00 FUN | 2.50 FUN | |||
| gold coin | 15.00 FUN | 5.00 FUN | 2.00 FUN | |||
| maracas | 12.00 FUN | 2.00 FUN | 1.50 FUN | |||
| green diamond | 10.00 FUN | 1.50 FUN | 1.00 FUN | |||
| red diamond | 8.00 FUN | 1.20 FUN | 0.80 FUN | |||
| orange diamond | 5.00 FUN | 1.00 FUN | 0.50 FUN | |||
| blue diamond | 4.00 FUN | 0.90 FUN | 0.40 FUN | |||
| pink diamond | 2.00 FUN | 0.75 FUN | 0.25 FUN | |||
| ScatterScatter | 100.00 FUN | 5.00 FUN | 3.00 FUN | |||
| MultiplierMultiplier |
How Bone Bonanza's special symbols work
- Scatter
- Can appear on any reels and pays in any place on the reels. 4 and more Scatter symbols trigger the round of Free Spins.
- Multiplier
- Appears only in Free Spins. Every Multiplier symbol contains a random multiplier from x2 to x100, which is applied to the win of this spin.
Bone Bonanza features
- Symbols pay
- Symbols pay anywhere on the screen. The total number of the same symbols on the screen at the end of a spin determines the value of the win.
- Refilling
- Refilling. It can give you many consecutive wins on every spin. Refilling means that after every spin all combinations are paid and all winning symbols disappear. The remaining symbols fall to the bottom of the screen and the empty cells are filled with symbols coming from above. Refilling will continue until no more winning combinations appear as the result of a Refill. There's no limit to the number of possible Refills. All wins are added to the player's balance after all of the Refills resulting from a base spin are played.
- Scatter symbol
- Scatter symbol. Can appear on any reels and pays in any place on the reels. 4 or more Scatter symbols trigger the round of Free Spins.
- Free Spins
- Free Spins. The round of Free Spins is triggered by 4 and more Scatter symbols appeared on the reels in the main game. 4 Scatters give 10 Free Spins, 5 Scatters – 20 Free Spins, 6 Scatters – 30 Free Spins. In case during the Free Spins round 3 and more Scatter symbols drop in one spin 5 additional Free Spins are awarded to the player.
- Multiplier symbol
- Multiplier symbol. Appears only in Free Spins. Every Multiplier symbol has a multiplier in the range from ×2 to ×100 that is determined by the level. If more than one Multiplier symbol drop in one spin, their multipliers are summarized and the sum is applied to the win of this spin.
- Progress Bar
- Progress Bar. Free spins have levels. The level affects a multiplier in Free Spins, the higher the level is the higher the multiplier is. The levels start from 0. Every win for a low symbol that has not appeared yet in this round of Free Spins increases the level by 1. Every win for a high symbol that has not appeared yet in this round of Free Spins increases the level by 2. The highest level is 15th.
- Buy Bonus
- Buy Bonus. A player can buy a round of Free spins during the game at the pictured price. If the player changes the bet, the Buy Bonus price will be automatically changed. The next spin after the purchase triggers the round of Free Spins. The feature is disabled when the Chance ×2 feature is active.
- Chance x2
- Chance ×2. There is a possibility to buy Chance ×2 in the game. It slightly increases the bet and gives the player more chances to get Free Spins. The feature is disabled if the Buy Bonus feature is active.
Bone Bonanza rules, as the game states them
It is a slot with refilling reels, where symbols pay anywhere on the screen. Just like the other Bonanza slots it is positive, light and merry. The peculiar feature that makes this slot outstand from the others is that Free Spins have levels, and the level increase leads to the increase of a multiplier of a special symbol that also appears in Free Spins.
Winnings are formed depending on the number of same symbols dropped in one spin. Choose the bet size using the buttons in the Total bet field. Higher bets will increase a total win. The bet value chosen is displayed in the corresponding field. To start the reels spinning, click the Spin button.
Payouts are made according to the number of symbols, the win amount is displayed in the Total Win field.
Winnings are formed depending on the number of symbols.
Payouts are made according to the paytable.
In case of multiple winning combinations, the sum of the win is added.
In case a certain number of Scatter symbols pay, and winning combinations and the paying number of Scatter symbols drop in one spin, a player receives the win amount both for Scatters and for all the winning combinations.
To learn the game payouts, click the Information (I) button and choose the Payments button.
The overall theoretical Return to Player (RTP) is 96%. RTP in the Buy Bonus feature is 96%. RTP in the Chance ×2 feature is 96%.
The game is based on a certified random number generator. For more information, visit our BGaming site.
Malfunction voids all plays and pays! All unfinished rounds will be terminated every 24 hours. If the game requires "Collect" - "Collect" will take place and the win from the round will be added to the player balance. If the game requires action from a player, the result is counted assuming that the player has chosen the action with no risk without raising the initial bet. This is the game rule version 1.0 dated July, 2023. Game Version 1.0.0.
MAX WIN 14 134x (intro screen banner)
Bone Bonanza
by BGaming
18+ | T&Cs Apply | Gamble Responsibly
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Bone Bonanza Overview
Bone Bonanza is a high volatility slot by BGaming with an RTP of 96% . This game features Fixed paylines across 6 reels. Play Bone Bonanza for free on Slottomat, compare the core stats quickly, and browse trusted slot offers available in your market.
Bone Bonanza: A High-Volatility Gem Hunt from BGaming
Game Overview & Theme
The visual style is crisp, cartoonish, and full of character, a signature trait of many popular BGaming titles. The reels are set against wooden beams, and the symbols include classic mining tools like pickaxes and dynamite, alongside a dazzling array of gemstones—sapphires, emeralds, rubies, and topaz. The cheerful, upbeat soundtrack complements the digging theme perfectly, creating an atmospheric and lighthearted atmosphere. It's a refreshing take on the gemstone genre, focusing more on fun and explosive features than austere luxury.
How to Play Bone Bonanza: Rules & Betting
The game uses a Pays Anywhere mechanic, with matching symbols paying based on their total count anywhere on the screen. Before spinning, you can adjust your total bet using the coin value selector, which ranges from a minimum of 0.20 up to a maximum of 20.00 per spin, catering to both cautious players and high rollers. The key controls are clearly marked: Spin, Autoplay, and Turbo Spin. The game's information button reveals the paytable, detailing the value of each symbol and explaining the all-important bonus features. As with any high-volatility game, managing your balance is crucial, as wins can be less frequent but significantly larger when they land.
Symbols, Paytable & Base Game Features
The lower-paying symbols are the familiar card ranks (10, J, Q, K, A) styled with a gemstone aesthetic. The higher-paying symbols are the thematic icons: a lantern, a bag of gems, a pickaxe, and sticks of dynamite. The most valuable standard symbol is the dynamite. This Wild substitutes for all regular symbols to help form winning combinations. The base game is where you'll be building the foundation for the big wins, primarily by triggering the two main bonus features: the Gem Collector and the Free Spins round.
Bone Bonanza's Key Features & Bonus Rounds
This is where Bone Bonanza truly shines. The game employs a popular cascading reels mechanic (often seen in grid slots and cluster pays games), where winning symbols explode and disappear, allowing new symbols to fall into their place. This can create chain reactions of consecutive wins from a single spin.
The Gem Collector & Multiplier Vault: Whenever a special Gem symbol (a large, glowing gem) lands on the reels, it is collected into the vault. Once all four slots in the vault are filled, the total multiplier value of the collected gems is awarded and applied to the total win of the triggering spin. This feature can occur in both the base game and the Free Spins, adding a layer of exciting anticipation to every cascade.
Free Spins Feature: Land four or more Scatter symbols anywhere on the reels to trigger the Free Spins round. You'll be awarded an initial set of free spins. The Gem Collector vault is active during this round, and its behavior is supercharged. Crucially, the multiplier values in the vault do NOT reset between spins during Free Spins. They only reset once the vault is full and pays out, or when the bonus round ends. This means multipliers can accumulate across spins, leading to potentially astronomical wins. Retriggering more free spins is also possible by landing additional Scatter symbols during the bonus.
RTP, Volatility & Max Win Potential
Bone Bonanza comes with a theoretical Return to Player (RTP) of 96%, which is the industry standard and promises fair long-term gameplay. The defining characteristic of this slot is its very high volatility. This means the game experiences longer periods between significant wins, but the payouts when they arrive have the potential to be massively rewarding. It's a slot designed for players with patience and a strategy geared towards hitting bonus features. While BGaming doesn't always advertise a specific maximum win cap, in a volatile slot like this, wins of several thousand times your stake are the target during the enhanced Free Spins round with a fully loaded multiplier vault.
Pros and Cons of Bone Bonanza
Pros:
- Engaging and cheerful gem-mining theme with high-quality graphics.
- Exciting Gem Collector and multiplier vault feature that builds anticipation.
- Highly rewarding Free Spins round with persistent multipliers.
- Cascading wins mechanic creates potential for consecutive payouts.
- Solid 96% RTP and a wide betting range suitable for many players.
Cons:
- Very high volatility may not suit players who prefer frequent, smaller wins.
- The base game can feel quiet while waiting for bonus triggers.
- The fixed payline structure might feel traditional compared to more innovative setups.
How Bone Bonanza Compares to Other BGaming Slots
BGaming has a diverse portfolio, and Bone Bonanza fits nicely within their collection of feature-driven games. It shares the cascading reels and collectible mechanics found in titles like Candy Monsta, though with a completely different aesthetic. For players who enjoy the persistent multiplier feature, the thrill is similar to what you might find in some Megaways titles, though executed differently. If you like the theme but want even more chaotic potential, you could explore Savage Buffalo Spirit Megaways. For a different take on animal-themed slots with big win potential, Lady Wolf Moon Megaways is another top-tier BGaming option. Fans of classic, straightforward slots with a twist might also enjoy Wild Chicago or the mobster-themed Gangsterz.
Tips for Playing Bone Bonanza Demo & Real Money Play
1. Play the Demo First: Always take advantage of the free demo version. This allows you to experience the very high volatility firsthand without risk, understand the Gem Collector trigger frequency, and see how the Free Spins round plays out.
2. Balance Management is Key: Due to the high volatility, ensure your session balance can withstand potential dry spells while you chase the bonus features.
3. Focus on the Bonuses: The primary goal in Bone Bonanza is to trigger the Free Spins round where the biggest wins are possible. Be patient.
4. Bet Wisely: Adjust your bet size to a level that allows for a sufficient number of spins to hit a bonus. A common strategy is to start with a smaller bet and adjust based on your session flow.
Final Verdict
Bone Bonanza is a compelling and well-executed slot from BGaming that successfully blends a friendly theme with a hardcore, high-volatility engine. The Gem Collector and multiplier vault system is engaging, and having those multipliers persist during Free Spins creates truly electrifying winning potential. While its fixed payline structure keeps it accessible, the cascading reels and feature-focused gameplay give it a modern edge. It may not be the ideal choice for players seeking constant action, but for those who relish the buildup to a massive, feature-triggered payout, Bone Bonanza is a gem well worth digging for. You can explore this and other thrilling gem-themed adventures on our Diamond Slots page.
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Common Questions About Bone Bonanza
Direct answers to the questions players usually ask before trying a slot.
Below the reels, there is a vault with four slots. Special Gem symbols that land on the reels are collected into this vault. Each gem color has a multiplier value (e.g., 2x, 3x, 5x, etc.). When all four vault slots are filled, the total combined multiplier is applied to the win of that spin. This feature is active in both the base game and Free Spins.
You need to land three or more Scatter symbols (the Bone Bonanza logo) anywhere on the reels in a single spin. This will trigger the Free Spins round. During Free Spins, the Gem Collector vault remains active, and its multipliers do not reset between spins, allowing for huge cumulative wins.