Book of Oil Slot - Demo & Review

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Immerse yourself in the exhilarating world of Book of Oil, expertly designed by Endorphina. Offering both captivating gameplay and bountiful rewards, it's a slot game you won't want to miss. Explore top casinos and enhance your chances of winning big!

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Dive into the glistening world of the Book of Oil, a slot game by Endorphina that has captured the attention of numerous online casino aficionados. With a theme centered around the lucrative oil industry, this game boasts striking graphics and an ambiance that conjures up the thrill of striking black gold beneath the arid desert.

In this Book of Oil slot review, we'll delve into the rich deposit of features that make this title stand out. From its compelling gameplay to lucrative bonuses, Endorphina ensures players are in for an engaging experience. And for those eager to test the waters, a free demo slots version is readily available, offering a taste of the drilling action without any risk.

Endorphina: The Slot Provider Behind Book of Oil

Endorphina stands tall among the renowned slot providers in the online casino landscape, cherished for their development of high-quality, captivating online slot games. With a solid footing in innovative design, Endorphina's global appeal emerges from their devotion to delivering not just visually stimulating slots, but also ensuring each game, including Book of Oil, is infused with engaging gameplay, unique themes, and a commitment to fair and reliable gaming experiences.

Book of Oil Slot Specifications: RTP, Volatility, Max Win & Theme

Unlock the treasures buried beneath the desert sands in Book of Oil, a slot game that operates on a 5-reel configuration and offers multiple paylines to strike it rich. With ample ways to win, players are immersed in an intricate game structure that promises both intrigue and opportunities for substantial rewards.

Book of Oil shares common ground with other adventure-themed slots like Quickspin's Ark of Mystery. Both games carry players on a treasure-seeking journey, but Book of Oil stands apart with its unique oil tycoon storyline, while Ark of Mystery delves into the ancient Egyptian realm with mystical artifacts and secret riches.

RTP (Return to Player)

The RTP for Book of Oil stands at an impressive 96.05%, signaling a solid balance between entertainment value and fair return prospects for players. This RTP can be a beacon for those seeking a slot that offers engaging play without compromising on generous winning potential.


The volatility of Book of Oil ranks at the higher end of the spectrum, suggesting more substantial but less frequent wins. This element adds a level of thrill for players who relish unpredictable, larger payouts, and suits those who are comfortable with the high-adrenaline chase for significant cash-outs.

Max Win

Book of Oil boasts an impressive maximum win potential, offering lucky drillers up to 10,000x their wager. For a player placing a €1 bet, this translates to a potentially life-changing €10,000 windfall, epitomizing the high stakes of the oil extraction business encapsulated in the game.


The Book of Oil slot immerses players in a theme of high-stakes oil drilling adventures, reminiscent of the drama and tension in the TV series "Dallas." As players navigate the dusty plains and dig for black gold, they'll feel part of a grand narrative of wealth and power struggles.

Exciting Features of Book of Oil Slot Explained

Book of Oil is not just another addition to the online slot games universe; it brings forth a suite of unique and compelling features that amplify gameplay excitement and enrich the chances for substantial wins. Beyond the traditional spin and win mechanics, the game is enriched with innovative functions that captivate players' attention and provide more routes to become an oil tycoon within the virtual space of this engaging slot.

With a focus on the variety of in-game features, this article will dive into the intricacies of special symbols, the free spins journey, the potential for bonus rounds, and the allure of the gamble feature. These elements are critical to understand for both seasoned players and newcomers, as they create a multifaceted and immersive gaming experience, encapsulated wholly within Book of Oil.

Expanding Wild Symbol

Book of Oil features a dynamic Expanding Wild symbol, which not only substitutes for other symbols to form winning combinations but also extends to cover entire reels, elevating the potential for striking lucrative paylines.

Free Spins Activation

The Free Spins in Book of Oil are prompted by landing three or more Scatter symbols. This not only unleashes the bonus spins but may also come with added multipliers or special symbols, giving players extra chances to win big.

Oil Tycoon Bonus Round

If Book of Oil includes a separate bonus round or mini-game, it is usually accessed when specific conditions are met in the base game, often introducing a new level of interaction and the chance for increased winnings.

Risk Game

The gamble feature in Book of Oil, commonly referred to as the 'Risk Game', provides players the chance to increase their winnings by betting on the outcome of a card flip, adding an extra layer of excitement post-win.

Free Spins Retrigger

Book of Oil may allow retriggering of Free Spins, giving players the opportunity for continued play within the bonus rounds, often activated by the appearance of additional Scatter symbols during free spins.

Special Bonus Features

Other unique gameplay elements in Book of Oil might encompass stacked symbols, interactive click-me features, or a progressive jackpot system, each designed to boost engagement and the overall gaming experience.

Direct Bonus Buy

In the ever-evolving landscape of online slots, features like the 'Direct Bonus Buy' allow players to bypass conventional play to directly access bonus rounds or free spins for a fixed price, potentially fast-tracking them to the game's most electrifying moments.

Navigating Book of Oil: Understanding Paytables and Game Info Before You Play

Mastering the paytable and game information is essential to any slot player's arsenal; a proper understanding of these components can significantly enhance one’s strategy and overall enjoyment when spinning the reels of Book of Oil. Knowing the ins-and-outs of the paytable, particularly in a game with such intricate features, allows players to navigate their play session with a clear expectation of the winning potentials and bonuses at stake.

It's particularly important for players to acquaint themselves with the mechanics and unique features that set Book of Oil apart. A well-informed player, who knows the impact of each symbol and game feature, is best positioned to enjoy and potentially find success in the game. This detailed knowledge shapes a more strategic approach and can transform an average gaming experience into an extraordinary one.

Decoding the Paytable

The Book of Oil paytable is a trove of information, listing the worth of each symbol from the lowest to the highest value ones. Players learn how winning combinations come to life across the reels, with special attention to unique icons like the Wilds and Scatters which often hold keys to larger wins or access to the game's feature-rich bonuses.

In-Depth Look at Game Features

Book of Oil is rife with distinctive features, all of which interplay with the paytable. These features not only dictate the pace of the game but influence the strategic decisions a player might make. For instance, free spins triggered by Scatters may carry multipliers which can transform an ordinary win into a major payout, while expanded Wilds may suddenly turn a modest spin into a screen full of high-value symbols.

Comprehensive Review: Book of Oil Slot by Bonus Tiime

Set against the backdrop of the high-energy oil drilling industry, Book of Oil transports players to the heart of the action with a rich visual palette and immersive design. The game's motif is cleverly designed around the theme of oil exploration, with an aesthetic that celebrates the wealth and power of oil barons and the lucrative liquid gold they extract. Impressively crafted symbols and animations, combined with a color scheme that echoes the duskiness of crude oil and the vibrancy of opulent wealth, contribute to a compelling player experience.

Exploring the Theme

Book of Oil's theme is brought to life with immaculately designed symbols such as oil rigs, stocks, and magnates, which enhance the feel of drilling for fortunes. The background displays the expansive deserts and machinery of the trade, while the authentic soundtrack accentuates the sense of adventure and builds anticipation with every spin. Collectively, these elements create an engaging environment that keeps players absorbed in the oil tycoon narrative.

Potential Max Win

The pinnacle of Book of Oil is the potential for a colossal max win, which promises players a payout up to 10,000x their stake. Achieving this impressive win typically involves triggering the game's most rewarding features and aligning the highest value symbols, which not only paints the picture of measurement in gameplay but also sets Book of Oil apart in terms of payout potential relative to other slots.

Similar Slots Comparison

Slots like Betsoft's Black Gold and Bgaming's Dig Dig Digger also echo the treasure hunt for valuable resources. Black Gold invites players to an oil-rich farm with a quirky twist, focusing on the discovery of oil as the central motif, just like Book of Oil. On the other hand, Dig Dig Digger accentuates the excavation aspect with a humorous archaeologist character. Both slots manage to offer a distinct narrative akin to Endorphina’s title, making them a fine exploration point for those who appreciate Book of Oil's treasure hunting theme.

Book of Oil FAQs: Answers to Your Top Questions About Endorphina's Popular Slot

How do you play Book of Oil?

To play Book of Oil, set your bet level using the game’s interface, and then spin the reels with the aim of landing winning combinations or triggering special features. Winning combinations are formed based on the game's paytable, and success in the game can be enhanced by understanding the roles of special symbols like Wilds and Scatters.

What are the betting options in Book of Oil?

Book of Oil offers a range of betting options to accommodate various player preferences. You can adjust your bet size by selecting the coin value and the number of coins per line. The slot caters to both casual players and high-rollers, making it an accessible game for a wide audience.

How do the special features in Book of Oil enhance gameplay?

Special features in Book of Oil, including Expanding Wilds, Free Spins, and the Risk Game (Gamble Feature), increase the excitement and potential wins. The Expanding Wilds can fill an entire reel to create more win opportunities, while Free Spins offer additional chances to score without placing further bets. The Risk Game allows players to potentially double their winnings through a card prediction game.

Is Book of Oil compatible with mobile devices?

Yes, Book of Oil is designed to be fully compatible with mobile devices. Endorphina utilizes modern HTML5 technology, ensuring the game works seamlessly across smartphones and tablets, regardless of the operating system. This makes it convenient for players to enjoy the slot on the go.

Can you suggest any tips for playing Book of Oil?

While slots are games of chance, some tips for playing Book of Oil include setting a budget before you start playing, familiarizing yourself with the paytable and special features, and taking advantage of the demo version to practice without risking real money. It's also advisable to pay attention to the game's volatility and RTP to gauge its payout behavior.

Expert Tips for Playing Book of Oil Slot

Get ready to improve your online slots experience! We offer a range of tutorials and articles for both beginners and seasoned players. These invaluable resources will guide you towards a more strategic and enjoyable gaming session. So, dive in and boost your online slot prowess today!


All Free Slots by Endorphina

Quick informations

  • RTP: 96.05%

  • Provider: Endorphina

  • Volatility: Medium

  • Max Win: N.A.

  • Popularity: Low

  • Release date: 01-01-2021

  • Free Spins: Yes

  • Min bet: €0.2

  • Max bet: €1,000.0

  • Autoplay: Yes

  • Gamble feature: No

  • Available on Mobile: Yes

  • Bonus buy: No

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