Hidden Kingdom

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Rules and Gameplay

Step into the enigmatic world of the Mayans with Hidden Kingdom, a slot game developed by Caleta Gaming that transports players back in time to explore ancient civilizations. This game features a standard 5×3 layout and 40 paylines, offering a medium volatility gaming experience that strikes a balance between frequent and high payouts. Players can adjust their bets from $0.4 to $200 per spin, making it suitable for both casual players and high rollers. The objective is to land matching symbols across the paylines, with special features like Free Spins and Expanding Wilds enhancing your chances of securing a big win.

Bonus Features

Hidden Kingdom is rich with engaging bonus features designed to increase your winning potential and provide an exhilarating gaming experience:

  • Free Spins with Expanded Wilds: Triggered by landing three wild symbols, the Mayan Warrior expands, covering the reel and granting additional free spins.
  • Expanding Symbols: Certain symbols can expand to cover more positions on the reel, creating more winning opportunities.
  • Scatter Symbols: These symbols can appear anywhere on the reels and are key to unlocking the game’s bonus features.

These features not only add depth to the gameplay but also reflect the game’s theme of exploration and discovery within the Hidden Kingdom.


The symbols of Hidden Kingdom are deeply rooted in Mayan culture, each meticulously designed to fit the game’s ancient civilization theme:

  • High Priest: A symbol of wisdom and power, playing a crucial role in winning combinations.
  • Tiger, Toucan: Representatives of the rich wildlife, these symbols bring the game’s reels to life.
  • Gold Coin, Tree Branch, Brown Stone, Blue Stone: Lower-value symbols that still hold the key to steady payouts.
  • Ace, King, Queen, Jack: Traditional card symbols designed with a Mayan twist, offering smaller payouts.


With 40 paylines, Hidden Kingdom offers numerous ways to win on each spin. Paylines are fixed, meaning all 40 are active during gameplay, increasing the chances of landing winning combinations. Players should aim to match symbols across these paylines, starting from the leftmost reel to the right, to secure wins. The inclusion of special symbols like wilds and scatters can activate the game’s bonus features, further enhancing the potential for big wins.

Pros & Cons

Pros Cons
Engaging Mayan theme with high-quality graphics Limited availability in some countries
Compatible with both mobile and desktop devices Lower RTP at 93.17% compared to some other slots
Features like Free Spins and Expanding Wilds enhance gameplay High volatility may not suit all players

Minimum and Maximum Bet

The betting range in Hidden Kingdom is designed to accommodate a wide variety of players. The minimum bet you can place is $0.4, making it accessible for players on a budget or those looking to enjoy a longer gaming session with minimal risk. On the other end, the maximum bet is set at $200 per spin, catering to high rollers and players seeking bigger thrills and potentially higher payouts. This broad betting range ensures that Hidden Kingdom can be enjoyed by everyone, regardless of their gambling preferences or bankroll size.

Game Jackpot, RTP & Variance

Hidden Kingdom offers a maximum win of up to 500x your stake, presenting a substantial jackpot for players aiming for high rewards. The game operates with a Return to Player (RTP) rate of 93.17%, which is slightly lower than the average for online slots but is compensated by the game’s medium volatility. This level of variance suggests that players can expect a balanced mix of winning frequencies and payout sizes, making each spin exciting with the potential for significant wins.

About Provider

Caleta Gaming, the developer behind Hidden Kingdom, is a renowned name in the iGaming industry, known for producing high-quality and innovative slot games. Since its inception, Caleta has dedicated itself to creating engaging gaming experiences with unique themes, stunning graphics, and inventive gameplay features. The company utilizes advanced technology to ensure their games are accessible on a wide range of devices, from desktops to smartphones, emphasizing user-friendly interfaces and seamless gaming on the go. Caleta Gaming’s commitment to excellence and player satisfaction makes Hidden Kingdom a testament to their expertise and creativity in game development.

How To Play

  • Start by setting your bet size using the +/- buttons. You can choose between $0.4 and $200 per spin.
  • Once your bet is set, press the spin button to start the game. The reels will spin and then come to a stop, showing the result.
  • Wins are awarded for matching symbols on active paylines, starting from the leftmost reel to the right.
  • Look out for special symbols like wilds and scatters. Landing three wild symbols triggers the Free Spins feature, where the Mayan Warrior expands, covering the reel for more win opportunities.
  • Utilize the autoplay feature for a predetermined number of spins at the same bet level if you prefer.
  • Monitor your balance and winnings at the bottom of the screen, and adjust your betting strategy as you play.


Hidden Kingdom by Caleta Gaming is a captivating slot that takes players on an adventure to explore the rich culture and mysteries of the Mayan civilization. With its immersive theme, versatile betting range, and exciting bonus features, this game stands out in the crowded field of online slots. While the RTP might be lower than average, the medium volatility and potential for significant wins keep the gameplay thrilling. Whether you’re a fan of ancient civilizations or just looking for a new slot to try, Hidden Kingdom offers a compelling experience that combines historical intrigue with modern gaming technology.