This is our own slot rating based on how popular the slot is, RTP (Return To Player) and Big Win potential.
Play the Neptunes Harem free demo slot—no download required! Try GONG Gaming Technologies / Microgaming’s latest game, enjoy risk-free gameplay, explore features, and learn game strategies while playing responsibly. Read our expert Neptunes Harem slot review with ratings for key insights before you play.
Released:July 26 2021
Responsible Gaming
You have to be 18 years or older to play our demo games. Please confirm that you are of the legal age to proceed:
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Neptunes Harem is a video slot from the game studio GONG Gaming Technologies and is presented by Microgaming. In this Neptunes Harem slot review you can read more about the features of the game.
Neptunes Harem has a layout that consists of 5 reels and up to 20 paylines / ways. The game has several features including Bonus Multiplier, Jackpot, Wilds, and more. Neptunes Harem also has a free spins bonus round and this is usually where you can win the big money.
The standard RTP (Return to Player) for Neptunes Harem slot is 96.9% (Could be lower on some sites). This payback considered very good and higher than average for an online slot. Theoretically, this means that for every €100 put into the game, the expected payout would be €96.9. However, the RTP is calculated on millions of spins, which means that the output for each spin is always random.
The highest possible payout for this slot is 10000x your total bet which is very high and gives you the chance to win really big wins. The maximum possible win is also calculated over a huge amount of spins, often one billion spins.
Neptunes Harem was released on July 26 2021.
This is our own slot rating based on how popular the slot is, RTP (Return To Player) and Big Win potential.
Yes! You can enjoy Neptunes Harem in demo mode without signing up. Try our free version above to explore the features. For real money play, visit one of our recommended Microgaming casinos.
To play for real money:
The slot offers a big max win of 10000x your stake.
Example: A €1 bet could return up to a solid €10000.
Yes! Most of our featured Microgaming casinos on this page offer welcome packages that include free spins or bonus cash usable on Neptunes Harem. Always check the terms before claiming.
Absolutely. The game is fully optimized for mobile devices, including iOS and Android.
Yes, the demo mirrors the full version in gameplay, features, and visuals—just without real money payouts.
