Rainbow King

About Rainbow King Slot Game

Rainbow King is an online casino slot game that features 5 reels and 20 paylines. Esteemed gaming providers Novomatic have designed this game to potentially offer the King Cash bonus.

Rainbow King Slot Buttons


Press the Autoplay button and you will be able to spin the reels for a selected number of rounds at the stake of your choice.


Press the paytable button to view what the paylines are in Rainbow King and how to activate the bonus features.


There are a maximum of 20 paylines available in the Rainbow King Slot. You can increase or decrease the amount of lines you wish to play with by using the (+) and (-) buttons.


You can change your stake by using the (+) button to increase your be/line and the (-) button to decrease the bet/line.


When you have decided how many Lines and what Bet/Line amount you want to use, you can press the Start button to begin the round.

Rainbow King Wild Symbol

The Wild symbol is the Joker symbol and this can replace for all symbols except for the Rainbow King.

Rainbow King Slot Cash Castle Feature

When you receive 3, 4 or 5 castle symbols anywhere on the reels you will trigger the Cash Castle feature. Select a castle on the screen and you will be rewarded with a prize. The amount you can receive will depend on the number of symbol in view when the bonus is triggered.

Rainbow King Bonus

When you receive 3, 4 or 5 King symbols anywhere on the reels, then you will trigger the Rainbow King feature. Press the Spin button to move around the feature board collecting prizes on your way and activating Rainbow King characters. When you land on the ‘Take the Money’ position the bonus feature will come to an end. Any active Rainbow Kings pay a series of wins before the bonus ends. The amount that you can win from this feature will depend on the number of symbols in view when the bonus is triggered.

Rainbow King Slot King Cash feature

When you receive 3 Crown symbols on the 2nd, 3rd or 4th reel, you will trigger the King Cash Bonus. You will need to select one of the 12 crowns on the screen to reward you with one of the available prizes that you can see on the left hand side of the reels.