Rainbow King
Rainbow King

This online slot contains 5 reels and 20 lines, Wild Symbols and 3 bonus levels. The player can bet from 0,02 to 100 coins per round, and the maximal win brings 500 coins.

The residence of the King, introduced in slot Rainbow King all slots free games made by Gaminator, is designed in the most colorful and positive way, which makes the player’s mood better and increases chances for a win. Fill the king’s treasure room by forming winning combinations of identical symbols, and the king will express you his gratitude!

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Rainbow King slot review

Game rules

To win you have to get five identical symbols at the horizontal line, starting with the first reel. The Wild symbol increases your chances for a win by substituting lacking symbols in sequences. It can substitute any symbols, except for the King, a crown and a castle.     

Control buttons of casino slot free play games

At the gaming reeland you’ll see such buttons as:

  • Paytable – a section containing information on game rules.
  • Bet – choose the bet from 0,02 to 100 coins.
  • Start – start a round.
  • Autoplay – automatic game with continuous spins.
  • Last Win – indicator that shows you your last win.
  • Gamble – start a risk game after getting a successful combination.

You can start playing after setting your bet level by pressing the Bet button. In order to get familiar with basic principles and peculiarities of games on slot machines go to Slot Machines Rules section of our website. 

Wild symbols of free online casino games 

During the game you’ll be getting some special symbols, allowing to replenish your gaming balance and increase the number of prize combinations. Among such symbols there is a Wild symbol. When it appears at the reels, you’ll have a chance to get the most profitable combinations and quite big prizes. 

Symbols and prizes of slots free online machines 

The most common symbols to get in this game are symbols with cards and gold bags, that will bring you:

  1. 10, J, Q cards will bring from 5 to 100 coins;
  2. K and A will bring you from 10 to 250 coins;
  3. Bags of gold will grant you from 2 to 250 coins.

Even though there aren’t many symbols in this game, those are still bringing additional credits to player’s gaming balance. But if you’re thirsty for prizes you can cash out you may come and play Rainbow King in [[$whereToPlayLinks]] casinos.

Bonus symbols of new casino slot machines

The elements depicting a King, a crown and a castle will activate bonus games, bringing players even more chances for winning money:

  • The King symbol opens a Rainbow King bonus game for a combination of at least 3 of those symbols.
  • The Crown symbol starts a King Cash bonus game for three and more icons.
  • The Castle symbol activates the Cash Castle bonus game. 

Bonus symbols trigger the bonus games in which players will get the biggest prizes. 

Bonus game

This free casino games no download videoslot has three different all slots free bonus games: 

  • Rainbow King. When this bonus is activated, the new reeland will open, and the player has to throw a dice. The number of dots on those dices is the number of steps his gaming piece can make, moving down the field full of cells with credit nominals. This gaming field also contains Wild symbols, received by the player at the end of the game. When the gaming piece reaches the cell called “Pick the win”, the game ends and the player gets a prize.
  • King Cash. After this bonus round was activated, 12 crown will appear at the reeland, and each of them has its own prize. Choose one of them to get a random prize.
  • Cash Castle. When this bonus round is activated, the player has to choose one of the castles located at the reeland and get a certain prize for his choice.


Rainbow King free slots pc videoslot doesn’t have a progressive jackpot, but it has a fixed prize for a combination of 5 Wild Symbols in the game. The biggest chance to get it is when you’re playing the Rainbow King bonus round, that has the greatest amount of Wild symbols. The size of the maximal prize is a current bet multiplied by 500.

When playing a Rainbow King video slot from Greentube, you will enjoy the beautiful graphics and chance to get amazingly big credits for bonus programs.

Game Specs
  • Scatter Symbol Yes
  • Active bonus Yes
  • Super bonus Yes