Play the Book of King Arthur Slot Game


18+. No purchase necessary. Void where prohibited by law. Terms of Service apply


18+. No purchase necessary. Void where prohibited by law. Terms of Service apply


18+. No purchase necessary. Void where prohibited by law. Terms of Service apply


18+. No purchase necessary. Void where prohibited by law. Terms of Service apply


Take a trip to Camelot and visit the castle of King Arthur. Surrounded by banners and royal tapestry is the 10 payline Book of King Arthur slot game. You won’t have to try and pull a sword out of a stone, just spin the reel and try and match at least two or more matching symbols to win a payout.

Play for real money at, and you can win up to 500x your bet during the free spin feature. If you want to increase your odds of winning, you can “Boost” your spin and receive expanding wilds or buy free spins and guarantee yourself a chance at winning the game’s jackpot. Get all the details in this slot game review.


  • Game Type: 5 reels, 3 rows, 10 paylines
  • RTP: 96.10%
  • Volatility: Medium
  • Theme: King Arthur
  • Provider: Just for the Win Studio and  Microgaming
  • Min Bet $: 0.20
  • Max Bet $: 100
  • Release Year: 2021


If you want to test the buying free spins or Boost features, but you’re not sure it’s worth the extra coins, play the Book of King Arthur at the in Practice Mode. You’ll receive virtual coins to wager, so you can play the slot game absolutely free. The odds of winning are the same as in the Real Money Mode. The only difference is you can’t redeem any money won while in Practice Mode.


With expanding wilds and a free spin feature, there are plenty of ways to win real money in the Book of King Arthur slot game. Click on the game images below to register your account, and then choose your preferred payment method to make a deposit. Once the funds have been securely deposited in your account, you can claim your exclusive Welcome Package. The specifics of the Welcome Package are frequently updated, so make sure to check out the Promotions page for the current offer.


The King Arthur symbol has a top payout of 500x the total bet. If they are chosen as the expanding symbol during the free spin feature, it can cover every space on the reel, creating a 500x jackpot win. Make the $100 max bet, and you’ll walk away with a $50,000 jackpot win.


The Book of King Arthur is a 10 payline slot, with all paylines activated for each spin. To begin play, select your stake size and click on the spin button. Before any spin, you can turn on the Boost feature, which turns wilds into expanding wilds, for a 100% increase in your bet. There is also the option to buy free spins, guaranteeing you’ll enter the free spin round by increasing your wager by 80x.

  • Coins and How the Betting Works: To make or change your wager, click on the Casino Chip icon to open the different stake sizes. There are 27 betting options, from the minimum $0.20 to the $100 max bet. All payouts are based on the total bet.
  • Symbols: King Arthur is the top paying symbol, with a max payout of 500x the stake size. It’s followed by the sword, chalice, and shield. The five low-value symbols are A, K, Q, J, and 10, with a max payout ranging from 10x - 15x. Check out the complete paytable in the chart below.
  • Wild: The Book of Arthur is the wild symbol and can land on any reel. It substitutes for any symbol to create a win.
  • Scatter: The Book of Arthur symbol doubles as the scatter symbol as well. It will trigger the Free Spin feature when there are at least three or more on the reels.
Symbol2 of a Kind3 of a Kind4 of a Kind5 of a Kind
King Arthur1x10x100x500x
A 0.5x4x15x
K 0.5x4x15x
Q 0.5x2.5x10x
J 0.5x2.5x10x
Wild 2x20x200x
  • Bonus Feature: There is a 10 spin bonus feature that is activated when there are three scatter symbols on the reels. Before the bonus spins begin, you’ll spin a reel containing all the game’s symbols. The chosen symbol will act as an expanding symbol during the free spins. The expanding symbols don’t need to appear on the first reel, or even adjacent reels, to complete a winning combination.


These days, developing online casino games for mobile devices is essential. Microgaming and Just for the Win Studios have turned this into an art, maintaining the high-quality graphics and sound effects and exhilarating gaming experience on the smaller screens. The Book of King Artur is touch-friendly, and the buttons have been resized so that it’s easy to change your bet, spin the reels, or turn on the Autoplay feature. There is a mobile app, although you can always play through your mobile browser if you don’t have space on your phone for extra apps.


The Book of King Arthur has an average RTP of 96.10%

There is a 500x jackpot that you win when you cover the entire gameboard with King Arthur symbols.

When you make the $100 max bet and win the 500x jackpot, you’ll win the $50,000 top payout.

The Book of King Arthur was developed with HTML5, allowing it to adjust to any screen size, including smaller Android and iOS mobile devices. The reels even adjust based on how you’re holding your phone so that you can play in landscape and portrait modes. 


The Book of King Arthur is a classic slot game, but it has two nice features that can increase your odds of winning. The expanding symbol in the free spin feature can trigger some big wins, including the 500x jackpot. The only way to have a chance at winning is to register your account and make a deposit. We’ll get you started on the right foot when you claim your Welcome Package that you can use when playing The Book of King Arthur for real money.