Book of Kingdoms
Book of Kingdoms is set in a desert world, featuring ancient temples, mystical artefacts, and adventurous characters. The reels display books, coins, daggers, and explorers beneath sandy skies. Detailed illustrations and warm colours create an atmosphere inspired by lost civilisations and distant lands, giving each spin a sense of discovery.
Game Rules
Symbol Payouts
- All symbols pay from left to right on adjacent reels starting from the leftmost reel.
- The wild symbol substitutes for all symbols except for the bonus (book) and money symbol.
- Bonus (book) symbol serves as both wild and bonus. Three or more bonus symbols trigger the free spins feature.
- Bonus symbol payouts: 4 pays 20x total bet, 3 pays 1x total bet.
Money Symbol And Money Respin Feature
- The money symbol is present on all reels.
- Each spin, the money symbol takes a random value from a predefined set or it may trigger a Minor, Major, or Mega value.
- Five or more money symbols trigger the Money Respin feature.
- Jackpot levels:
- Mega Jackpot: 1000x total bet
- Major Jackpot: 100x total bet
- Minor Jackpot: 30x total bet
Money Respin Feature Procedure:
- Feature starts after all win combinations for lines are paid and normal symbols are removed, except money symbols.
- Respins start at 3. Each money symbol that lands resets the respin count to 3.
- The round continues until respins are finished or all positions on the screen are filled with money symbols.
- At the conclusion, all money symbol values are added and paid.
Free Spins Feature
- Five free spins are awarded when the feature is triggered.
- Before free spins begin, a special expanding symbol is selected at random, excluding the bonus and money symbols.
- During free spins, the special symbol expands vertically to cover all three positions on the reel if enough symbols for a win are present, and pays according to its paytable from all positions, even non-adjacent.
- Three or more bonus (book) symbols during free spins award five additional free spins with the same special symbol. There is no limit to possible re-triggers.
Maximum Win
- The maximum possible win per base game and free spin is limited to 20,000x the total bet.
- If the total win in a free spins round reaches 20,000x the bet, the round ends immediately, and the win is awarded. Remaining free spins are forfeited.
Volatility and RTP
- This is a medium volatility game.
- Only the highest win is paid per winning combination on the same payline.
- Wins across multiple paylines are added to the total win.
- Free spins and bonus wins are added to the payline win.
- All wins are multiplied by the base bet and are shown as coins.
- Free spins wins are awarded after the round completes.
- The RTP value is shown in-game.
Paylines
- The game features 25 paylines, as displayed in the payline diagram.
For detailed information on paylines, refer to the payline illustration provided in the game rules.
🎰 You May Also Like: The Dog House | Mystery Mice | Zombie School Megaways
Notice Regarding Doubleup Ducks Demo & Free Play Access
Players often search for a Doubleup Ducks demo or Doubleup Ducks free play version, sometimes with no deposit options in mind. As this site does not provide playable demos, this page serves instead as a source of information.
The details come directly from the game itself, highlighting its key statistics and overall structure.
This functions as an alternative to demo or no deposit versions, giving you a reliable overview of Doubleup Ducks without requiring sign-up or play.
*All values (Bet Levels, Maximum Wins etc.) mentioned in relation to this slot game are subject to change at any time. Game features mentioned may not be available in some jurisdictions.

