King Neptun

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Rules and Gameplay

Engage in the thrilling aquatic adventure of King Neptun, a video slot game that eschews traditional paylines in favor of 243 ways to win. This setup allows players to score wins by lining up symbols from left to right across any position on adjacent reels. The gameplay is further simplified with an intuitive interface where players can easily set their bet range from $0.50 to $75 and access essential game features like the paytable and autoplay options, enhancing both the accessibility and engagement of the game.

Bonus Features

The King Neptun slot offers a variety of enticing bonus features designed to enrich the gaming experience and boost potential winnings:

  • Wild Symbol: The enchanting mermaid acts as a wild, replacing other symbols except for the scatter and free spins symbols to aid in forming winning combinations.
  • Scatter Transformations: Neptune’s icon possesses the unique ability to transform into a scatter when appearing stacked, providing rewards regardless of their positions on the reels.
  • Free Spins: Triggered by three stacked wilds on a single reel, this feature awards free spins accompanied by a 2x multiplier and sticky wilds that remain during the round, with potential for additional free spins.
  • Multi-Level Bonus Game: A four-tiered bonus round starts when three bonus symbols land. Players select from shells to reveal prizes, with pearls allowing further advancement or ending the bonus round after the fourth level.


King Neptun features an array of symbols that dive deep into its mythological sea theme:

  • Neptune, the god of the sea
  • The mighty Trident
  • Ancient Ships
  • Mysterious Rays
  • Curious Lobsters
  • Colorful Shells in blue and green
  • Exotic Starfish
  • Decorative Corals


The payout structure in King Neptun is designed to reward combinations of themed symbols across its reels. Here’s a detailed look at what players can win for landing five identical symbols:

Symbol Payout for 5 Symbols ($)
Neptune 3.00
Trident 1.50
Ship 0.75
Ray 0.50
Lobster 0.30


Instead of traditional paylines, King Neptun utilizes a modern 243 ways to win format, offering players numerous opportunities to form winning combinations. This format pays out for any matching symbols in adjacent columns, starting from the leftmost reel, providing more chances to win compared to conventional line-based slots.

Pros & Cons

Pros Cons
243 ways to win increases winning opportunities. Not available in some markets, limiting player access.
Rich in bonus features including free spins, scatter pays, and a multi-level bonus game. The soundtrack, while soothing, might not appeal to all players.
Medium variance suits all types of players. Maximum bet capped at $75 might be low for high rollers.

Minimum and Maximum Bet

The King Neptun slot game offers a flexible betting range that caters to different types of players. The minimum bet allowed in the game is $0.50, making it accessible for casual players or those looking to enjoy extended play with a limited budget. The maximum bet is set at $75, which while not catering to the highest rollers, offers substantial wagering opportunities for most players, balancing risk and reward effectively.

Game Jackpot

The King Neptun slot features a significant jackpot opportunity where players can win up to 2,000 times their total bet. This jackpot is achievable through the scatter feature within the game. Alongside this enticing jackpot, the slot also boasts a Return to Player (RTP) of 96%, which is about industry standard, providing a decent expectation of return over long-term play. The game’s medium variance ensures that payouts are moderately frequent and can vary in size, appealing to a broad range of gambling styles and preferences.

About Provider

Octavian Gaming is the developer behind the King Neptun slot game. Established as a key player in the gaming industry, Octavian Gaming is known for creating engaging and innovative video slots that appeal to a diverse audience. Their games are designed with a focus on player engagement and retention, incorporating advanced graphics, sound effects, and interactive gameplay features that align with modern gaming standards and expectations in the casino gaming market.

How To Play

  • Start by setting your bet size using the controls provided. Bets range from $0.50 to $75 per spin.
  • Consult the paytable for information on the payouts associated with different combinations of symbols.
  • Use the spin button to start the game. Wins are calculated based on the 243 ways to win mechanic.
  • Access bonus features like free spins and the multi-level bonus game by landing the required symbols as specified in the game’s rules.
  • Adjust the game settings such as sound and autoplay through the game interface to customize your gaming experience.


King Neptun by Octavian Gaming stands out with its compelling oceanic theme and abundant features that promise not only entertainment but also significant winning opportunities. The game’s structure of 243 ways to win, coupled with multiple bonus features, provides a dynamic gaming experience suitable for various player types. The accessible betting range and the potential for high payouts make it an appealing choice for both new and experienced players looking to explore the depths of Neptune’s kingdom.