Available on the online platform Casino King, one of Belgium’s top references for online casino games, this title takes slot enthusiasts into a castle-like setting. With streamlined gameplay and well-designed bonus features, it appeals both to nostalgic players and fans of accessible new titles.

How to play this royal slot machine?

Accessible to all types of players, 40 King offers simple, easy-to-learn gameplay that remains engaging enough to keep you coming back. The idea is clear: choose your bet – between €0.40 and €10 – and start a session in a kingdom of golden reels and royal symbols.

Two game modes are available:

• The "Play" button: for manually controlling each spin, feeling the thrill, and setting your own pace.

• The "Auto Spin" mode: ideal if you prefer a smoother, uninterrupted experience.

This online casino game draws on the DNA of traditional slot machines while offering a polished graphic environment. The sound and visual atmosphere immerses you in a majestic castle, where every spin echoes like a call to win. Perfect for those seeking both comfort and immersive ambiance.

Bonus features you don’t want to miss

While the game captivates with its royal atmosphere, it's the bonus features that truly raise the excitement. Every round can unveil a surprise — whether it's a generous multiplier or an unexpected jackpot.

Up to x1000 your stake

Collect the highest-paying dice symbols and watch your cash winnings soar up to 1000 times your initial bet. Perfect for players who love aiming big.

The Wild King

This special symbol acts as a joker: it substitutes for all other symbols except the Scatter. It can appear on reels 2, 3, and 4, boosting your chances of hitting a winning combination.

Chinese dice

Unusual yet powerful, these symbols reward you as soon as you land 3 to 5 of them, regardless of their position on the reels. An opportunity not to overlook.

Gamble feature

For the boldest players, the Gamble feature offers a chance to double your winnings: simply guess whether the next drawn card will be red or black. A poker-style risk worth mastering!

Progressive jackpots

Like many online casino games by Amusnet, this title includes a 4-level progressive jackpot system that can be triggered at any time. A random feature that adds extra suspense to every spin.

Demo mode & mobile experience: play anywhere, anytime

Want to try the game before betting real money? That’s entirely possible thanks to the demo mode, accessible directly from your browser. It lets you explore the game’s features, understand the special symbols, and get familiar with the rhythm of the reels — all without any financial risk.

It’s a great way to get a feel for the gameplay before switching to real mode. Perfect for both beginners and experienced players.

As for mobility, the game adapts perfectly to any screen: smartphone, tablet, or computer. Thanks to its HTML5 technology, it runs without downloading, offering smooth animations and an optimized display, even on smaller screens. You'll enjoy the same immersive visual and audio experience, whether you’re at home or on the go.

Conclusion – A slot machine worth discovering on Casino King

Accessible, smooth and rewarding, 40 King stands out as a solid success for fans of classic slot aesthetics. Its well-balanced bonuses, progressive jackpots, and royal theme make it an excellent choice for players looking for simplicity and efficiency.

Available on Casino King, one of the leading platforms for online casinos in Belgium, this game fits into a rich library alongside many other popular titles. Whether you're new to slots or an experienced player, you'll surely find something to extend your gaming adventure in style.