Play Royal League Neptune’s Harem Slot Game

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Grab your wetsuit and dive deep under the sea to explore the world of Neptune, the Roman God of the Sea. Along with his four mermaid wives, Neptune is ready to shower Indian players with his riches when you play the Royal League Neptune’s Harem slot game at

The 20 payline slot game is visually pleasing, with the reels sunk to the bottom of the ocean. There is a free spin feature that can award you up to 12 spins. However, the top draw in this game is the Royal Jackpot feature, which can payout a fixed jackpot of 10,000x the stake size.

Get all the important details right here, in this slot game review.


  • Game Type: 5 reels, 3 rows, 20 paylines
  • RTP: 94.04%
  • Volatility: Medium
  • Theme: Roman Gods, Underwater, Jackpot
  • Provider: Gong Gaming and  Microgaming
  • Min Bet $: 0.20
  • Max Bet $: 50
  • Release Year: 2021


Indian players can grab Neptune’s trident and swim with his harem for free in the practice mode. While you can win any money when playing for fun, you can get an up-close look at the slot game and see how often the features are triggered and the types of payouts it can generate.


In addition to a harem, Neptune sits on a pile of gold coins that he’s waiting to give away. Sign up for an online casino account by clicking on the ‘JOIN’ button at the top of the page and create your account. Then, you can choose your preferred payment method to make a deposit and claim your Welcome Package. frequently updates the specifics of the Welcome Package, so be sure to check out the Promotions page for the updated information.


The Royal League jackpot can be triggered on any spin. You will pay a mini game on a 7x7 grid to determine which of the four jackpot prizes you will win. The payouts for the jackpots are as follows:

  • Blue Jackpot: 10x
  • Green Jackpot: 100x
  • Red Jackpot: 1,000x
  • Gold Jackpot: 10,000x

If you make the $50 maximum bet, the old jackpot can pay out a $500,000 jackpot prize.


Royal League Neptune’s Harem is a fixed 20 payline slot game that pays out wins going from left to right. To play, choose your stake size and click on the spin button. All wins are instantly added to your bankroll.

  • Coins and How the Betting Works: You can choose from a range of betting options, starting with the $0.20 minimum bet all the way to the $50 maximum bet. To open the betting window, click on the ‘Hamburger’ menu button and then choose the casino chip icon on the menu bar. Press the + and – buttons to increase or decrease the size of the wager. All payouts are multipliers based on the total stake size.
  • Symbols: The four mermaids in Neptune’s harem are the four high-value symbols. The red-headed mermaid is clearly his favorite, with a 25x payout. She is followed by the blue, green, and purple mermaids with a max payout range from 15x – 20x. The four low-value symbols are underwater treasures, a gold star, blue clam, a green seashell with a pearl necklace, and a purple pearl.
  • Wild: Neptune’s trident is the wild symbol. It appears on all five reels and substitutes for all regular symbols to help create a win.
  • Scatter: Neptune is the scatter symbol, and while it won’t trigger a bonus feature, it will create a payout when there are three or more on the reels at once.
  • Bonus: The door to Neptune’s palace can land on the first and fifth reel. When it’s found on both reels, it will trigger the bonus feature.
Symbol2x on Payline3x on Payline4x on Payline5x on Payline
Gold Mermaid0.25x2x10x25x
Blue Mermaid0.25x1.5x7.5x20x
Green Mermaid0.25x1x5x17.5x
Purple Mermaid0.25x0.75x3.75x15x
Gold Star-0.5x2.5x12.5x
Blue Clam-0.5x1.25x10x
Green Seashell-0.25x1x7.5x
Purple Pearl-0.25x1x5x
  • Bonus Feature: It takes two bonus symbols to trigger the free spin round. To start the feature, you will have to choose one of the four mermaid cards – this will award you 5, 7, 8, or 12 free spins. Next, you’ll have four more cards, this time with the low-level symbols on them. The card you choose will reveal whether you’re playing with a multiplier of 2x, 3x, 5x, or 10x. Once the free spins begin, you can earn an additional spin for each bonus symbol that appears on the reels.


Gong Gaming may be a relatively new casino game developer, but they did an excellent job with Royal League Neptune’s Harem. The symbols are full of colour, and you can hear the rushing and bubbling water coming from behind the reels. When the bonus symbol appears on the first reel, the fifth reel turns into a waterfall with gold coins falling downstream until the reels stop and reveals if you landed the all-important second bonus symbol. The slot game is mobile-friendly, and you can play it without downloading any additional software. The mobile experience is very similar to the computer game, with the only minor changes made to the layout and button placement.


Royal League Neptune’s Harem is a medium variance slot with an RTP of 94.04%.

The Royal League jackpot is a randomly triggered feature in this slot game. If chosen, you have to play a mini game on a 7x7 grid to determine the jackpot prize you will win.

The top prize is the 10,000x jackpot prize. If you make the $50 maximum bet, you’ll have a shot at the $500,000 payout.

Royal League Neptune’s Harem was developed using HTML5. It allows the game to be fully compatible with mobile devices without downloading any apps or software.


Royal League Neptune’s Harem is a must-play slot game for any Indian player. The game has it all, a free spin feature that can award up to 12 free spins with a 10x multiplier and a fixed jackpot worth 10,000x your stake size. The only way to play for real money is to register your account and make a deposit. You’ll also receive an excellent Welcome Package that will help get you started as you start to swim with the mermaids.