Cosmic Heart Slot

Review of the Cosmic Heart Online Slot

Go on on a virtual journey to the heart of the universe while playing the Cosmic Heart slot game online. The game, compatible with both PC and mobile devices, features colorful asteroids, planets, and galaxies across its five reels and 20 paylines.

A Prize Line located above the reels offers in-game features like expanded wilds and multipliers. Additionally, a free spins bonus round and a pick-me feature can award you with fantastic prizes. With high volatility, the Cosmic Heart slot machine offers a maximum win of 10,174x your bet when luck is on your side.

Striving for Greatness

In landscape mode on a PC, players will encounter a 5×5 grid of vibrant symbols set against the backdrop of deep space, surrounded by alien planets and asteroids. In portrait mode, the focus shifts to the symbols of glowing rocks in shades of green, purple, and pink, along with planets in blue, orange, and pink.

Above the reels of the Cosmic Heart online slot, gold energy boxes hover, triggering a variety of bonuses when the corresponding symbols land below them.

This game serves as a visually appealing example of an online slot machine themed around outer space, boasting high-quality graphics. Its captivating soundtrack, suitable for a sci-fi movie, is accompanied by subtle slot machine sounds, courtesy of High 5 Games, the New York-based developer.

Exploring the 20 Paylines

Players can wager between 0.20 and 20.00 per spin, equivalent to 0.01 to 1.00 per line across the 20 paylines. To win, match symbols from left to right along a payline, aided by wilds and bonus symbols.

Due to its high volatility, the Cosmic Heart slot tends to deliver larger-than-average prizes but less frequently. Over time, it boasts a 96.00 RTP for every 100.00 staked.

To understand the value of each symbol, refer to the paylines table below, which presents wins as multiples of the per line bet –

The wild symbol can substitute for asteroid and planet symbols to complete winning combinations or extend them across more reels if possible. Game controls include the option to play Cosmic Heart for free before placing real money bets, along with an Autoplay feature allowing up to 100 consecutive spins.

Triggering the Prize Line

The boxes above the reels each hold a unique feature, activated when the symbol of colliding galaxies in an X shape appears below. These features, six in total, shift one reel to the left after each spin, making way for new ones from the right side of the Cosmic Heart slot machine. The features, which appear in random order, include –

– Instant credit wins ranging from 2x to 100x the total bet.

– Stacked wild symbols filling an entire reel.

– Between three and 20 spots filled with wild symbols.

– Multipliers on the current win, ranging from 2x to 10x.

– Access to a pick bonus.

– Access to free games bonus.

The glowing blue star unlocks a prize-picking round, with the number of selections dictated by the triggering symbol. Click on green gems to reveal multipliers ranging from 1x to 10x the bet, with an additional multiplier increasing by 1x after the seventh pick.

Gems can also expose dim stars, reducing the number of remaining picks. This feature of the Cosmic Heart online slot continues until you exhaust your lives.

The symbol triggering the free games displays the count of extra rounds granted. While payouts from Prize Line multipliers decrease during the bonus games, it’s unlikely to significantly impact your overall winning opportunities.

Explore a Universe of Similar Games

The Galactic Stake online slot by Playtech showcases stars, galaxies, and planets across four reels and ten lines. This bidirectional game features a wild star symbol and a spiral galaxy that triggers a free games round. During the Orbit feature, winning positions award multipliers for the subsequent three spins.

Hypernova Megaways by Reel Play offers up to 117,649 ways to win across its six reels. The number of symbols on each reel varies with each spin, complemented by a Jackpot Respins bonus round capable of delivering massive wins worth up to 2000x your total bet.

Are You Ready to Shine?

The Cosmic Heart online slot presents an engaging gameplay experience with appealing features. Due to its high volatility, there may be extended intervals between wins, so adjust your stakes accordingly. Keep in mind that a bonus isn’t guaranteed on every occasion; you’ll require the colliding galaxies Heart symbol on the reels to enjoy the Prize Line features.

Once everything aligns, prepare for multipliers, free games, stacked wilds, and more. The pick bonus guarantees wins, while success during the free games round is almost certain. If you relish space-themed slots, head towards our recommended High 5 Games online and mobile casinos today.

Jack Barens iGaming Writer

Last Updated: August 16, 2025