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Rules and Gameplay

Heartburst is a vibrant and engaging slot game from Eyecon that captures the essence of traditional fruit machines with a modern twist. Set across a 5×4 grid, the game features 100 fixed paylines, offering players numerous ways to win. To begin, players select their bet size, which ranges from a minimum of $0.01 to a maximum of $50 per spin, catering to both casual players and high rollers. The objective is to land matching symbols on the reels from left to right, with the game boasting a high variance that promises substantial payouts though wins may come less frequently.

Bonus Features

Heartburst is packed with exciting bonus features designed to enhance the gaming experience and boost winning potential:

  • Free Spins: Triggered by landing three or more Lucky 7 scatter symbols, offering up to 25 free spins. This feature can be retriggered up to 15 times during gameplay.
  • Expanding Wilds: The heart symbol acts as the wild, appearing on reels 1, 3, and 5, expanding to cover all positions on the reel and potentially creating massive wins.
  • Gamble Feature: After any win, players have the option to gamble their winnings on a 50/50 chance game to double their payout or lose it all.


The game’s symbols hark back to the classic era of slot machines but with a polished, modern look. Here’s what players can expect:

  • High-Paying Symbols: Bars, bells, and Lucky 7s lead the payout chart, offering lucrative rewards for matching combinations.
  • Mid-Range Symbols: Fruits like cherries, grapes, oranges, and melons add a juicy middle layer to the game’s paytable.
  • Lower-Paying Symbols: Classic card symbols from J to A offer smaller, more frequent wins to keep the action going.


Heartburst offers players the chance to win big with its generous payouts. While specific numbers can vary, here are some examples of the potential rewards:

Symbol 5x Payout 4x Payout 3x Payout
Bars $3,000 $500 $50
Bells $2,000 $300 $30
Cherries $1,000 $100 $10


Heartburst features 100 fixed paylines, providing ample opportunities for wins. Winning combinations must start from the leftmost reel and match symbols across any of the paylines. The vast number of paylines, combined with the game’s bonus features, ensures a thrilling and potentially rewarding playing experience.

Pros & Cons

Pros Cons
100 fixed paylines offer ample winning opportunities High variance may deter players seeking frequent wins
Expanding wilds and free spins enhance gameplay Limited thematic innovation compared to newer slots
Playable across all devices, enhancing accessibility The gamble feature can be risky for player winnings

Minimum and Maximum Bet

The Heartburst slot game caters to a wide range of players with its betting options. The minimum bet is set at $0.01, making it accessible for players with a low budget or those wanting to try the game without a significant investment. On the other hand, the maximum bet reaches up to $50 per spin, appealing to high rollers or those looking for bigger payouts. This range ensures that Heartburst can be enjoyed by everyone, regardless of their gambling budget.

Game Jackpot

Heartburst offers a compelling jackpot of up to 3,000 times the player’s stake, presenting a substantial win potential. Accompanied by an RTP (Return to Player) of 95.63% and classified under high variance, the game is designed to provide large but less frequent payouts. This setup is perfect for players who enjoy the thrill of chasing significant wins, understanding that patience and perseverance are key in high variance games.

About Provider

Eyecon, the developer behind Heartburst, is renowned for creating engaging and visually appealing slot games. Established in the gaming industry, Eyecon has consistently delivered high-quality gaming experiences that resonate well with players. Their portfolio boasts a variety of themes and innovative gameplay features, making their games a popular choice among online casinos. Eyecon’s commitment to creating immersive and entertaining slots is evident in Heartburst, which combines classic slot elements with modern game mechanics.

How To Play

  • Begin by selecting Heartburst on your preferred gaming platform.
  • Adjust your bet size by using the “+” and “-” buttons, setting your stake anywhere from $0.01 to $50 per spin.
  • Review the game’s paytable for detailed information on payouts and bonus features.
  • Hit the spin button to start playing. Reels will spin and then come to a stop, displaying the result.
  • Form winning combinations by matching symbols on any of the 100 paylines, starting from the leftmost reel.
  • Activate the free spins feature by landing three or more Lucky 7 scatter symbols anywhere on the reels.
  • Utilize the expanding wilds, represented by the heart symbol, to substitute for other symbols and complete winning combinations.
  • Optionally, after a win, you can choose to gamble your winnings in an attempt to double them through a simple selection game.


Heartburst by Eyecon expertly combines the simplicity of classic fruit machines with the excitement of modern slot features. Through its expansive betting range, significant jackpot potential, and engaging gameplay mechanics, the game stands out as an appealing choice for a wide array of players. While the high variance may not suit everyone’s play style, those willing to embrace the risk have the chance to achieve substantial rewards. Heartburst’s accessibility across various devices further ensures that players can enjoy this captivating slot game whenever and wherever they choose, making it a must-try for fans of online slots.