Cosmic Heart

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Rules and Gameplay

The Cosmic Heart slot, powered by High 5 Games, transports players into a visually stunning cosmic adventure with a 5×4 reel layout and 20 paylines. The gameplay is centered around setting your bets, which can be adjusted using the Bet Arrows or the Bet button that opens the draw panel. Once bets are placed, the Spin button starts the game, or Autoplay can be used for a set number of spins. A unique aspect of Cosmic Heart is the Prize Line above the reels, which features special symbols that move with each spin, adding an extra layer of excitement and potential wins.

Bonus Features

Cosmic Heart is packed with engaging bonus features designed to enhance the gaming experience and increase winning potential. Here are some of the key bonus features:

  • Prize Line: A row of special feature symbols above the reels that move with each spin, offering various bonuses.
  • Wilds: Serve as a substitute for all other symbols except the Galaxy and Prize line symbols, increasing the chances of a winning combination.
  • Pick Bonus: Triggered by the Blue Planet, where players select from hidden prizes to reveal multipliers.
  • Free Spins: Activated by the Red Planet, awarding a number of free spins that can be combined if more than one Red Planet is awarded.
  • Multipliers: Green Cube symbols award multipliers, enhancing payout amounts significantly.


The Cosmic Heart slot features a variety of cosmic-themed symbols, each with its own significance and payout potential. Here’s a look at some of the key symbols:

  • Wild Symbol: Can substitute for all other symbols apart from the Galaxy and Prize Line symbols.
  • Galaxy Symbol: Triggers the special feature above its reel when appearing anywhere on the reels.
  • Purple Cube: Awards a Credits Win, ranging between x2 and x100 the bet.
  • Blue Cube with Wilds: Transforms positions on the reel into Wilds, increasing winning chances.
  • Green Cube: Awards Multipliers to boost winnings, with potential for multiple cubes to add their values together.


The Cosmic Heart slot offers a variety of payouts through its symbols and bonus features, with the potential for astronomical wins up to x10174 the player’s stake. Below is a table showcasing some of the symbol payouts:

Symbol 3 Symbols 4 Symbols 5 Symbols
Wild 20 40 200
Blue Planet (Pick Bonus) Varies based on selection
Red Planet (Free Spins) Number of spins displayed on the symbol


Cosmic Heart is structured around 20 paylines, offering players multiple ways to win on each spin. Paylines pay from left to right, and only the highest win per line is paid. The variety of special symbols and the unique Prize Line feature above the reels contribute to the dynamic and potentially lucrative payline structure of the game.

Pros & Cons

Pros Cons
Innovative Prize Line feature enhances gameplay. High volatility may not suit all players.
Multiple special features and bonus rounds. Can take a while to trigger bonus features.
High maximum win potential up to x10174 stake. Game complexity may be daunting for beginners.

Minimum and Maximum Bet

The betting range in Cosmic Heart allows for a minimum bet of $0.20 and a maximum bet of $20.00 per spin. This range makes the game accessible to players with varying budgets, from casual players to those looking to make larger wagers.

Game Jackpot

The jackpot in Cosmic Heart can reach up to 10,174 coins, offering players a substantial payout. The game features a Return to Player (RTP) rate of 96%, which is within the average range for online slots, and its high variance means that while wins may be less frequent, they can be significantly larger when they do occur.

About Provider

High 5 Games, the provider behind Cosmic Heart, is renowned for its innovative and high-quality gaming solutions. With a portfolio that spans across hundreds of unique and engaging slots, High 5 Games has established itself as a leading developer in the casino industry, known for its creative themes, engaging gameplay mechanics, and visually stunning graphics.

How To Play

  • Start by setting your bet size using the Bet Arrows or the Bet button to access the draw panel.
  • Once your bet is set, press the Spin button to begin playing.
  • For a hands-free experience, select the Autoplay option and choose the number of spins you want to be played automatically.
  • Watch for the special symbols on the Prize Line above the reels, which can activate various features for potential wins.
  • Keep an eye on the Galaxy symbols and Prize Line to trigger bonus features like free spins, multipliers, and the pick bonus for extra rewards.


Cosmic Heart by High 5 Games is a thrilling online slot that takes players on a cosmic adventure with its unique Prize Line feature, engaging bonus rounds, and the potential for astronomical wins. Despite its high volatility and complexity, the game’s innovative mechanics and high-quality graphics make it a standout title in the vast universe of online slots. Whether you’re a seasoned player or new to the world of online gaming, Cosmic Heart offers a gaming experience that is both challenging and rewarding.