Return-to-player rate
95%
Minimum bet size
0.10
Game type
Video slots
Variance
Medium
Reels
5
Progressive jackpot
No
Popularity
Maximum bet size
90
Game provider
Mancala Gaming
Bonus features
Yes
Pay lines
10
Theme
Devil
Wicked Heart online slot review
The supplied review presents Wicked Heart as a slot for players who enjoy regular-looking action, while making no promise of results. Wins can form in both directions; after a winning combination, its symbols disappear and replacements fall into place, allowing further combinations during one spin. A bonus game is triggered by 1 symbol and may award a multiplier of up to 32x, according to the review.
Theme and storyline
The setting takes a devilish approach, with the Queen of Temptation as its central character. The story portrays her as every man's dream, but also as a dangerous lure: after drawing players in with goddess-like charms, she takes their soul, leaving it beyond redemption.
Graphics, sound and animation
Mancala Gaming built this HTML5 slot for mobile and desktop play, using detailed artwork, animations and prominent animated symbols. Instead of spinning conventionally, the reels fall away at the bottom before fresh symbols rain down from above to form new combinations. As symbols leave the reels, the detailed artwork continues to reveal the Queen of Temptation's lair. The review also praises the sound effects, describing audio clear enough to come through a device's sound hardware with impact.

Gameplay
Wicked Heart uses 5 reels and 3 rows. Its 10 pay lines support wins in either direction, so combinations may run from left to right or from right to left. Tumbling reels and a bonus game provide additional ways for a spin to produce wins.
The review counts 11 symbols: 4 higher-paying regular symbols and 5 lower-paying regular symbols—A, K, Q, J and 10. Matching 3, 4 or 5 symbols can form a winning combination. The 10th symbol, shown as a question mark, is the Wicked Heart wildcard and substitutes for any regular symbol to help complete a combination.
Top-paying symbols and spin-bet multipliers:
- Book of Incantations: 150x
- Sacrificial chalice: 50x
- Skull: 20x
- Ring with Fire Eye: 7.5x

Bonus features and free spins
Bonus Round: The x2 symbol alone starts the bonus game. A new screen then shows 2 characters. Choose which one to support, and a win moves the progress bar higher, increasing the winnings multiplier up to 32x.
Tumbling reels: Whenever one or more winning combinations land, those winning symbols explode away and new symbols fall into the vacant spaces. If the replacements create another win, the sequence continues without a fixed limit. It ends only when the reels produce no further winning combinations.
Win both ways: This mechanic pays for combinations read from left to right or right to left. The symbols must occupy consecutive adjacent reels, with the first symbol on the payline appearing on ‘reel 1’ when read left to right or ‘reel 5’ when read right to left.
Bet sizes, RTP and variance
The listed stake range starts at 0.10 per spin and reaches 90.00 per spin. The review classifies Wicked Heart as a medium-variance slot, citing its win-both-ways mechanic, tumbling reels and accessible bonus, and reports an RTP of 95%.
Conclusion
The supplied review portrays Wicked Heart as an action-led slot. Its win-both-ways mechanic can count combinations in either direction, while tumbling reels remove winning symbols and offer another chance at combinations within the same spin. The bonus game is described as easy to trigger and uses a pick-me choice to move a multiplier progress bar upwards, but these features do not guarantee wins or profits.
With 12+ years of experience in the iGaming industry, Evan specializes in reviewing online casinos, analyzing slot games, and evaluating player safety. Their expertise covers casino licensing, RTP, volatility, bonus conditions, and withdrawal policies. Through hands-on testing and independent research, Evan delivers transparent, fact-based reviews to help players better understand gambling platforms, their features, and potential risks.