£10 free - No deposit required

New players only. 99x wagering requirement. £5 max stake with bonus. £50 max withdrawal for non-depositors. 7 day expiry. Not all games contribute. 18+ Begambleaware.org

100% First Deposit Bonus

40x wagering requirement on bonus. Max claim £50. £5 max stake with bonus. 30 days expiry. Not all games contribute. 18+ Begambleaware.org

Full terms and conditions

Heartburst

Take a mighty spin into Heartburst slot game. This fruit themed slot game features a Free Games Feature offering up to a staggering 25 Free Games and a Substitute symbol that has the power to expand to fill players reels before line wins are awarded. Heartburst is a 5 reel, 100 payline slot game that is full of potential.

100

Lines

0.01

Min Bet

50.00

Max Bet

95%

RTP

Bonus: Free Games

About Heartburst Slot

Heartburst slot consists of five reels, four rows and a huge one hundred paylines. This game may appeal to fans of vintage fruit machines as it showcases some classic fruit symbols and a fairly simple game interface. The Free Game Bonus offers increased winning potential when you land three or more Lucky 7 symbols.

Play Heartburst slot on desktop, mobile or tablet.

How to Play Heartburst Slot

Total Bet
In Heartburst slot game, you can press the stack of coins button to adjust your desired bet amount that you wish to play with.

Spin
In Heartburst slot game, make sure your Total Bet is selected and once you’re happy with the amount, press the Spin button to begin.

Autoplay
In Heartburst slot game, you can press the Autoplay button to spin your reels automatically for a number of rounds you wish.

Heartburst Slot Bonus Features

Free Games Feature
In Heartburst slot game, by landing 3 or more Lucky 7 symbols, you will trigger the Free Games feature. This feature can also be triggered again during Free Games. Also, depending on the number of Lucky 7 Symbols you land will depend on the number of Free Games you are awarded, such as the following:

3 Symbols - 15 Free Games
4 Symbols - 20 Free Games
5 Symbols - 25 Free Games

Substitute Symbol
In Heartburst slot game, keep a close eye out for the Heart symbols as they can appear on reels 1, 3 and 5 and substitute for all other symbols except the Lucky 7 symbols. Not only that but the Heart symbols can expand to fill their reel before line wins are awarded. But it doesn’t stop there, when one or more Heart symbols substitute, prizes are tripled. Yes, you heard correctly.

21.co.uk’s Verdict

Here at 21.co.uk, we think that Heartburst slot game is taking a brand new approach to the fruit theme, with a range of fruit symbols that brighten the reels as you spin them. There’s a lot of opportunity within Heartburst slot game as a Free Games Feature and a Substitute symbol is available to trigger which could potentially increase your winnings even more. Overall, we really believe that Heartburst slot game is easily accessible as you can play it on desktop, tablet or mobile, making it easier for players to play at home or on the go.