King of Sun

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Rules and Gameplay

The King of Sun slot, a creation by Swintt, offers an immersive Aztec-themed adventure set in South America. The game is played on a 5×3 reel structure with 10 fixed paylines. Bets range from $0.10 to $100 per spin, catering to a wide spectrum of players. The game is known for its low volatility, making it suitable for players who prefer frequent but smaller wins. The gameplay is straightforward, with the objective of landing matching symbols across the reels from left to right to form winning combinations.

Bonus Features

King of Sun slot is enriched with engaging bonus features that enhance the gameplay experience:

  • Expanding Wilds: The King of Sun symbol acts as a Wild and appears on the middle three reels. It can expand to cover the entire reel, creating more opportunities for winning combinations.
  • Free Spins: Triggered by landing three or more Scatters, players are initially awarded 12 free spins. This feature includes an upgrading mechanism where Wild symbols can upgrade the lowest gem symbol to the next one on the paytable.
  • Extra Free Games: During free spins, landing 1, 2, or 3 Wild symbols awards additional 1, 3, or 5 free games respectively. Also, landing 3 or more Scatters during this round awards 12 additional free games.


The King of Sun slot features a mix of traditional and thematic symbols, each adding to the Aztec adventure:

  • Lower-Value Symbols: Classic A – J card royals.
  • Higher-Value Symbols: Six differently shaped and colored shiny gems, offering higher payouts.
  • Wild Symbol: The King of Sun himself, appearing on the middle reels and capable of expanding.
  • Scatter Symbol: Triggers the Free Spins feature and can retrigger additional spins within the bonus round.


The King of Sun slot offers a maximum payout of up to 500x the stake, aligned with its low volatility. The game’s RTP (Return to Player) stands at 95.22%, but it’s important to note that this can vary based on the casino, with other possible RTPs being 85.40%, 90.09%, and 92.06%. Winning combinations are formed by matching symbols from left to right. Here’s a brief overview of payouts:

Symbol 3 Symbols 4 Symbols 5 Symbols
Low-Value Royals (A – J) Small Payout Medium Payout High Payout
Gems Higher Payout Even Higher Payout Maximum Payout


The King of Sun slot operates on 10 fixed paylines. This means players have 10 predetermined ways to land winning combinations on each spin. Paylines are evaluated from left to right, starting from the leftmost reel. All payline wins are multiplied by the line bet, providing a straightforward and easy-to-understand payout structure.

Pros & Cons

Pros Cons
Low volatility for frequent wins Max win limited to 500x the bet
Engaging Aztec theme with high-end 3D visuals Common theme among slot games
Expanding Wilds and Free Spins with symbol upgrade RTP varies and can be as low as 85.40%

Minimum and Maximum Bet

The King of Sun slot accommodates a wide range of players with its flexible betting options. Players can place a minimum bet of $0.10, making it accessible for those who prefer lower stakes. On the other end, the game caters to high rollers by allowing a maximum bet of $100 per spin. This wide betting range makes the King of Sun slot suitable for various gaming styles and bankroll sizes, ensuring that both casual players and serious gamblers can enjoy the game to its fullest.

Game Jackpot

The King of Sun slot offers a jackpot of 500 coins, which aligns with its low volatility gameplay, offering players frequent but smaller wins. The Return to Player (RTP) rate is 95.22%, however, players should be aware that this can vary depending on the casino, with potential RTPs being as low as 85.40%. The game’s low variance indicates that players can expect smaller wins more frequently, making it an appealing choice for those who prefer a steady gaming experience over high-risk, high-reward scenarios.

About Provider

Swintt, the provider of King of Sun, is a relatively new entrant in the iGaming market, having launched in April 2019. Despite its youth, Swintt has made a significant impact in the industry, backed by CEO David Flynn’s extensive experience with NYX Gaming Group and Jackpotjoy. Swintt stands out with its focus on developing in-house games and forming strategic partnerships for game distribution. The company is known for its innovative approach, particularly with its SwinttGamify® tool, which adds a gamification layer to its games, enhancing player engagement and experience.

How To Play

  • Choose a Casino: Select a licensed online casino that offers the King of Sun slot.
  • Set Your Bet: Adjust your bet size from the minimum of $0.10 to the maximum of $100 per spin.
  • Understand the Paylines: Familiarize yourself with the 10 fixed paylines which pay from left to right.
  • Spin the Reels: Click the spin button to start playing. You can also use the auto play feature for continuous spins.
  • Watch for Special Symbols: Keep an eye out for the Wilds and Scatters, as these can trigger bonus features like Free Spins and Expanding Wilds.
  • Check the Paytable: Refer to the paytable for understanding symbol values and winning combinations.
  • Manage Your Bankroll: Be mindful of your balance and bet responsibly.


The King of Sun slot is a fascinating addition to Swintt’s portfolio, offering a blend of an engaging theme, striking visuals, and captivating gameplay features. While the game’s low volatility and limited max win might not appeal to players seeking huge jackpots, it offers frequent wins and an immersive Aztec adventure. The varying RTP could be a concern for some, but the game’s expansive betting range and the allure of its bonus features like Expanding Wilds and Free Spins provide a balanced and enjoyable experience. Overall, King of Sun stands as a solid choice for players who appreciate a well-designed, thematic slot game.