Locked Hearts 40 (Fazi) — Slot Review for Players from India

How Locked Hearts 40 Features Work

The bonus section relies on two pillars: the expanding heart and the Free Spins mode. To these are added a classic gamble feature for doubling and a network progressive jackpot. Let's break down how it all connects in the game.

Heart Wild — Expansion on Central Positions

The Heart acts as a Wild and appears on the second, third, and fourth reels. When it lands on a reel, it expands to cover all three vertical positions and substitutes for any icon except the Padlock – the symbol that triggers Free Spins. In the base game, this provides quick "completed" lines: a single heart in the center can turn an empty spin into a payout across several directions. The more central positions are covered by expanding hearts, the higher the chance of forming a full-length line. The special symbol never appears on the outer reels – this is a deliberate limitation that keeps the game's math in check and prevents the RTP from becoming unbalanced.

Free Spins — Locked Hearts Until the End of the Round

A series of Free Spins is triggered when three or more Padlock symbols appear simultaneously on the screen. Within this mode, the heart mechanic is enhanced: an expanded symbol does not disappear after a spin but remains in place – "locked" – until the end of the series. With each new hit, the field gradually fills with locked hearts, and by the end of the round, lines are much more readily formed than in the regular game. This is the key element of Locked Hearts 40: the main profit comes from accumulated locked hearts, not from multipliers, which are absent here. The earlier the first sticky symbols appear in the series, the denser the payouts become towards the end – and if you're lucky enough to cover all three central positions, the screen turns into an almost solid wall of matches.

Feature Buy — Buy a Round

If you don't want to wait for three Padlocks to drop, the game offers a Free Spins Buy feature – Feature Buy. It instantly triggers the Free Spins mode for a fixed portion of your bet. This option is convenient for those who are specifically looking for the round with locked hearts and don't want to spend their balance spinning in the base game. But keep in mind the nature of Locked Hearts 40: with high volatility, buying is a tool for those who consciously take risks for quick access to the main feature, and not every bought round pays off. In our experience, buying is more for testing the mechanic than for consistent earnings.

Gamble Feature and Progressive Jackpot

After any winning line, a classic gamble feature is available: guess the color of the card – red or black – and double your payout if correct, or lose it if wrong. You can double repeatedly, increasing the amount up to an internal limit, but this is a fair "fifty-fifty" game, without an advantage in your favor. Separately, Locked Hearts 40 is connected to Fazi's network progressive jackpot – common to a number of the studio's slots. It triggers randomly, regardless of the combination on the screen, is only available when playing for real money, and the higher the bet, the higher the chance of hitting it. The jackpot is not available in the demo, so you can only experience this part when playing for real money.

How 40 Directions Work with Expansion

It's worth understanding how forty fixed pay directions coexist with the expanding symbol. Since the special symbol expands to cover the entire vertical of the central position, a single hit engages all chains passing through that position – and the most chains pass through the center of the field. Therefore, even a single expansion provides a significant boost, and two or three expansions in a row cover a significant portion of the forty directions at once. It is the density of active chains through the center that makes the central placement of the special symbol so valuable. Understanding this connection helps not to be disappointed by empty spins: payouts are concentrated at moments when the center of the field is covered, rather than spread evenly across all spins.