Mystery of Sun

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Rules and Gameplay

The Mystery of Sun slot machine offers a captivating Egyptian adventure across a 5×3 grid with 243 win ways. This slot caters to a wide betting range from $0.10 to $200, appealing to casual players and high rollers alike. Its high volatility promises significant swings in gameplay, providing thrilling peaks and exciting potential payouts. Players aim to align symbols from left to right, with a dynamic gaming mechanic that maintains engagement through both lean and peak phases.

Bonus Features

Mystery of Sun enriches the player experience with several dynamic bonus features:

  • Free Spins: Available in four variants, each activated by landing the respective bonus symbols, they enhance gameplay dramatically:
    1. Cave of the Scarab King: Grants 25 free spins with additional wilds.
    2. Tomb of the King: Offers 20 free spins featuring cascading wins and increasing multipliers.
    3. Mystery of the Lost Pyramid: Provides 15 free spins with a unique wild multiplier that drops in to increase winnings.
    4. Treasures of Midgard: Delivers 10 free spins where all wins are multiplied by five, plus additional free spin opportunities.
  • Buy Feature: This option allows players to purchase direct entry into the Free Spins rounds, bypassing standard play.
  • Avalanche Feature: Symbols in winning combinations disappear to allow new ones to fall, offering the potential for multiple successive wins from a single spin.


Engaging with the rich Egyptian theme, Mystery of Sun features a variety of symbols that both enhance the visual appeal and influence the mechanics of the game:

  • Basic Symbols: Regular low and high value symbols which contribute to standard winnings.
  • Wild Symbols: These substitute for other symbols, aiding in forming winning combinations.
  • Scatter Symbols: Key to unlocking the diverse Free Spins bonuses.
  • Additional Wilds: Appear randomly and add wilds to the reels, increasing win potential.
  • Symbol Swap Feature: Some symbols can swap positions with others to create or enhance wins.


Below is a brief overview of potential winnings:

Symbol Type 3 Symbols 4 Symbols 5 Symbols
Common $1 $5 $15
Rare $10 $50 $100
Wild/Scatter $20 $100 $500


Mystery of Sun operates on a 243-win-way system, eschewing traditional paylines. Wins are awarded for left to right symbol combinations on adjacent reels, starting from the first reel. This format simplifies the gaming experience while increasing the chances for winnings, making each spin potentially rewarding.

Pros & Cons

Advantages Disadvantages
Offers high volatility, which can lead to large payouts for the lucky player. High volatility may deter players who prefer frequent, smaller wins.
Features a diverse array of free spin modes, enriching the gaming experience. The array of bonus features may overwhelm beginners.
243 ways to win provides more opportunities for payouts than traditional payline slots. The higher betting limit may not be accessible for players with smaller bankrolls.

Minimum and Maximum Bet

The betting options in Mystery of Sun cater to a wide range of players. The minimum stake allowed is $0.10, which is ideal for newcomers or those playing on a tight budget. On the other end, the game accommodates high-stakes gambling with a maximum bet of $200 per spin. This broad range allows players to adjust their risk level and potential reward according to their individual preferences and bankroll size.

Game Jackpot

The pinnacle of Mystery of Sun is its jackpot, where players can win up to 12,150 times their stake, offering the potential for substantial payouts. This high reward is part of the game’s high volatility nature, which might result in less frequent but larger wins when they come. The game features a theoretical RTP (Return to Player) of 96.15%, which is standard for the industry, providing a fair balance between the casino’s edge and the player’s potential winnings. The game’s variance is high, indicating that payouts can vary significantly, suited for players who enjoy a thrilling, high-risk gaming experience.

About Provider

Playbro, the developer of Mystery of Sun, is renowned in the online casino industry for creating games that not only boast high-quality graphics but also incorporate innovative gameplay features. Known for their meticulous attention to detail and pioneering technology, Playbro continues to push the boundaries of what is possible in slot gaming. Their portfolio is diverse, offering something for every type of player, and they are particularly praised for their reliability and the engaging nature of their games.

How To Play

  • Start the Game: Open Mystery of Sun on your device. Ensure that your internet connection is stable to prevent any disruptions.
  • Set Your Bet: Adjust the betting limits to match your comfort level. Use the interface controls to set your bet anywhere from $0.10 to $200 per spin.
  • Review the Paytable: Before spinning, click on the paytable icon to familiarize yourself with the game’s symbols, payouts, and bonus features.
  • Play: Hit the spin button to start the game. Alternatively, use the autoplay feature to set a predetermined number of spins at a constant bet value.
  • Watch for Special Symbols: Keep an eye out for scatter and wild symbols as these can unlock significant bonus features like free spins or multiply your winnings.
  • Adjust Your Strategy: As you become more familiar with the game, adjust your betting strategy based on your performance and the game’s volatility.


Mystery of Sun provides an exceptional blend of classic and innovative slot mechanics wrapped in an enticing Egyptian-themed adventure. With features like 243 ways to win, variable free spins, and a wide betting range, this game stands out in the crowded market of online slots. Its high volatility and substantial maximum jackpot cater to both thrill-seekers and those looking for big wins. Playbro’s reputation for quality is evident in every aspect of the game, making Mystery of Sun a must-try for fans of online slots.