Book of Sirens - Golden Pearl

(20 votes)
Upload a screenshot and win!
Report a problem
This slot is not available to play due to UKGC’s new licence condition
Don’t be upset

Best Online Casinos to Play for Real Money

King Billy Casino King Billy Casino
Welcome Pack €2500 +250 Free Spins
Skol Casino Skol Casino
up to $1300 + 250 Bonus Spins
Casino Cruise Casino Cruise
55 Free Spins + 100% up to $/£/€200 + 200 Free Spins
Vulkan Vegas Vulkan Vegas
Up to CA$/€/$1500 + 150 Free Spins 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

The Book of Sirens – Golden Pearl slot game by Spinomenal invites players to an enthralling underwater adventure with a 5×3 layout and 5 paylines. Players can dive into this mythical world in either demo or real money mode, placing bets ranging from $0.05 to $50 per spin. The objective is to land matching symbols on the paylines, with the game offering both high volatility and a variable RTP that can dip to 88.92%. Understanding the slot’s volatility and RTP is crucial as it suggests a strategy of patience for large, albeit less frequent, wins.

Bonus Features

The Book of Sirens – Golden Pearl slot is rich in features that enhance gameplay and winning potential. Here are key bonus features:

  • Free Spins: Triggered by landing 3 or more Scatter symbols, offering players 10 free spins alongside multipliers.
  • Buy Feature: Allows players to directly purchase access to the free spins round for 104x the bet, providing a shortcut to big win potential.
  • Expanding Symbols: During free spins, a special symbol is selected to expand, increasing the chances of higher payouts.
  • Wilds and Scatters: The Book of Sirens symbol acts as both, offering versatility in forming winning combinations and triggering bonus rounds.

These features, combined with the game’s thematic allure and high volatility, make for an engaging and potentially lucrative experience.


Book of Sirens – Golden Pearl features a rich tapestry of symbols drawn from deep-sea myths and legends. The symbols include:

  • Low Payout Symbols: 10, J, Q, K, and A from a deck of cards, offering smaller wins.
  • Medium to High Payout Symbols: Underwater monsters, and a red-haired and blonde siren, delivering higher rewards.
  • Special Symbols: The Book of Sirens acts as both Wild and Scatter, triggering bonus features and offering up to 250x multipliers.

Combining these symbols in various ways unlocks the game’s treasures, with the special Book symbol central to the most lucrative payouts.


Payouts in Book of Sirens – Golden Pearl are designed to reward bravery and patience. The game boasts a maximum win of up to 10,000x the initial bet. Here’s an overview of potential payouts:

Symbol 3x Combination 4x Combination 5x Combination
Low Payout Symbols (10, J, Q, K, A) Smaller Rewards Increased Rewards More Significant Rewards
Underwater Monsters Medium Rewards High Rewards Very High Rewards
Red-haired Mermaid High Rewards Higher Rewards Maximum Rewards

This structured payout system, coupled with the game’s bonus features, offers players numerous paths to unlocking mythical wins.


Book of Sirens – Golden Pearl features 5 fixed paylines, requiring players to match symbols across the 5×3 grid for a win. The strategic placement of bets and understanding of payline patterns are key to navigating this enchanting underwater world for treasures hidden within.

Pros & Cons

Pros Cons
Engaging underwater adventure theme with high-quality graphics and sound effects. High volatility may not suit all players, as it results in less frequent wins.
Features such as Free Spins, Expanding Symbols, and the Buy Feature enhance gameplay. Variable RTP can be as low as 88.92%, affecting the expected return.
Maximum win potential of up to 10,000x the initial bet. Limited paylines (only 5) may reduce the number of possible winning combinations.

Minimum and Maximum Bet

The Book of Sirens – Golden Pearl slot allows players to dive into an enchanting underwater world with a wide betting range suitable for various budgets. Players can place bets as low as $0.05, making it accessible for casual players looking to enjoy the game without a significant investment. On the other end of the spectrum, the game accommodates high rollers with a maximum bet of $50 per spin, offering the chance for substantial wins.

Game Jackpot

The jackpot in Book of Sirens – Golden Pearl offers players the thrilling possibility of winning up to 10,000 times their initial bet. This substantial potential payout is coupled with an RTP (Return to Player) of 96.18%, indicating a favorable return over the long term. However, the game’s high volatility means that while wins may be less frequent, they can be significantly large when they do occur, appealing to players seeking big win potentials.

About Provider

Spinomenal, the developer behind Book of Sirens – Golden Pearl has established a reputation for speed, reliability, creativity, and diversity in the online gaming industry. Since its inception in 2014, Spinomenal has been dedicated to enriching the online casino experience, releasing 1 to 3 innovative slots each month. With a portfolio of more than 377 slots, each featuring unique mechanics and engaging themes, Spinomenal continues to captivate players and enrich the online casino landscape.

How To Play

  • Choose Your Mode: Start by selecting whether to play in demo mode for fun or real money mode for a chance at actual winnings.
  • Place Your Bet: Adjust your bet size within the range of $0.05 to $50 per spin to suit your budget and risk preference.
  • Understand the Rules: Familiarize yourself with the slot’s rules and the paytable to know the worth of each symbol and how the bonus features work.
  • Spin the Reels: Once your bet is set, press the spin button to start the game and watch as the reels come to a stop, revealing potential wins based on the symbol combinations.
  • Utilize Bonus Features: Keep an eye out for special symbols like Scatters to trigger Free Spins or the option to buy into the bonus round directly for increased winning opportunities.


Book of Sirens – Golden Pearl stands out as a captivating online slot game that transports players to a mystical underwater realm filled with treasure and adventure. With its appealing theme, range of bonus features, and significant win potential, it caters to a wide array of players, from those seeking casual fun to serious gamblers aiming for big payouts. Despite its high volatility and variable RTP, the thrilling gameplay, coupled with Spinomenal’s reputation for quality and innovation, makes this slot a must-try for fans of online gaming.