Emerald King
The Emerald King slot invites players to a vibrant Irish-themed adventure, featuring charming graphics, lively music, and engaging gameplay elements. Enjoy cascading reels, multipliers, and a unique mini-slot bonus feature, all set against a colourful backdrop inspired by the Emerald Isle's lush landscapes and folklore.
Game Rules
All symbols pay from left to right on adjacent reels starting from the leftmost reel. Symbols can appear as larger 2x2 or 3x3 versions representing a cluster of 4 or 9 symbols.
Win Multiplier
All wins are multiplied by a general win multiplier displayed at the top of the reels. This multiplier applies to the total win of the spin.
- The game starts with a 1x multiplier, which can increase by 1 on every non-winning spin.
- The multiplier resets to 1x after it applies to a win or randomly.
- The multiplier value is saved for every bet. Changing the bet resets the multiplier to 1x.
- Returning to a previous bet with a saved multiplier will load the saved progress.
Mini Slots Feature
Random reels may get a green background on any spin. When all five reels turn green, the MINI SLOT feature is triggered, awarding 2x the total bet.
During the MINI SLOT feature, up to 15 mini slot machines can appear randomly, featuring their own symbols with the following awards:
- 3 red 777: £80.00
- 3 yellow 777: £60.00
- 3 blue 777: £40.00
- Any 777: £8.00
Mini slot machines may appear as 2x2 or 3x3 size symbols and can have an additional random multiplier from 1x to 15x. Each mini slot machine spins and awards individually. The round ends when there are no more wins. Special reels are in play during the feature. The feature cannot be retriggered.
Volatility and Maximum Win
High volatility results in less frequent payouts, but there is a chance to achieve larger wins in shorter time frames.
- All wins are multiplied by bet per line.
- Only the highest win per line is paid.
- Wins on multiple paylines are added to the total win.
- Paylines: 20 (displayed in the image)
- Maximum potential win amount is limited to 20,000x bet in both base game and free spins. If the win in a free spins round reaches the limit, the round ends, and remaining spins are forfeited.
The theoretical RTP (Return to Player) is shown in-game.
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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.

