Bonus Features:Additional Free Spins, Additive symbol, Bonus Game, Bonus symbols, Expanding Symbols, Fixed Jackpots, Free Spins, Guaranteed Wild in Free Spins, Hold and Win, Multiplier, Random multiplier, Reelset Changing, Respins, Risk/Gamble (Double) game, Scatter symbols, Sticky Symbols, Wild
Return to Player (RTP): 96.05%
Variance: Medium
Theme: Fruits
Genre:Video Slots
Last updated on September 1st, 2025
Having issues with Thunder Crown ?
Responsible Gambling Index:
🟡 AVERAGE
New customers only • Players have a lifetime rakeback of 50% • The Welcome Bonus is only available for new players • The rakeback program allows users to earn a portion of the house edge from eligible games • Rakeback accrues in the user's account and is available for claim at designated intervals • The company reserves the right to adjust rakeback percentages and conditions at any time • Only specified games qualify for rakeback; certain games, including those with no house edge, are excluded • Abuse or manipulation of the rakeback program, such as multiple accounts or fraudulent activity, may result in forfeiture and suspension •
Responsible Gambling Index:
🟠 CONCERN
New customers only • Players can claim 100% up to €500 + 200 Free Spins + 1 Bonus Crab Welcome Bonus • The Welcome Bonus is only available for new players • The minimum real money deposit amount to qualify for this bonus is €10 • The maximum bonus amount is €500 • The wagering requirements are x35 times initial amount of the deposit and bonus received • The wagering requirements of winnings from bonus spins are x40 •
Responsible Gambling Index:
🟡 AVERAGE
Table of Contents
ToggleEndorphina is once again electrifying the slot scene with the release of Thunder Crown. Building on the timeless appeal of classic fruit machines, this title injects a high-voltage surge of regal power and modern features into a beloved format. The result is a uniquely feature-packed online slot that promises a storm of majestic graphics, dynamic gameplay, and shocking win potential.
With a powerful Expanding Wild, Free Games with Guaranteed Wilds, and an electrifying Thunder Hold Bonus Game, this slot is designed for maximum excitement. Prepare to enter a kingdom where classic fruits and royal treasures collide under a stormy sky.
Thunder Crown immediately captures the player’s attention with its masterful and brilliantly polished design. The game’s backdrop is a dynamic, stormy sky, filled with swirling dark clouds and flashing lightning, creating the perfect stage for the royal display of power. The overall aesthetic is elegant and premium, elevating the classic fruit theme to a regal status. The animations are sharp and impactful, especially when the expanding Crown Wild dominates the reels or when lightning strikes during winning combinations, adding to the game’s lively feel.
The symbols are a creative fusion of classic slot imagery and royal elements. The high-value symbols are represented by familiar icons like gleaming bells, lucky 7s, and juicy watermelons, but each has been given a polished, modern look. The lower-value symbols are the classic cherries, lemons, and oranges, all designed with crisp, high-definition graphics that pop against the dark reels. The soundtrack complements the visuals perfectly, with an intense, action-thriller-style tune that evokes a sense of drama and anticipation, punctuated by satisfying thunder-strike sound effects for wins and feature triggers.
Kicking off the action on a 5-reel, 5-row grid with 50 paylines, Thunder Crown delivers a highly engaging, low-volatility experience, backed by a generous 96.05% RTP and a regal maximum win of 2,400x your stake.
Thunder Crown is loaded with high-impact features that seamlessly blend classic mechanics with modern bonus excitement, offering players multiple paths to royal riches.
Thunder Crown is a truly exceptional offering from Endorphina, representing a perfect marriage of classic slot nostalgia and modern, feature-rich gameplay. Its low volatility and solid 96.05% RTP make for a smooth and highly engaging session, where wins are frequent and the bonus features provide a constant sense of excitement.
While the base game is enjoyable, the real electricity comes from the Free Games with Guaranteed Wilds and the suspenseful Thunder Hold Bonus Game, which holds the key to the game’s impressive 2,400x maximum win. Whether you’re a fan of timeless fruit machines or a player seeking innovative bonus rounds, Thunder Crown delivers a polished, thrilling, and royally rewarding experience that is not to be missed.
The RTP of Thunder Crown is set at 96.05%.
Not only does Thunder Crown come with free spins, but this game also comes with free games.
You can play Thunder Crown at any online casino that features games from the provider Endorphina.
The maximum achievable win in a single round is capped at x2400 your bet.
Thunder Crown was developed and released by the innovative iGaming studio Endorphina.
Bonus Features:Additive Symbol, Bonus Game, Bonus Symbols, Cash Collector, Expanding Symbols, Substitution Symbols, Hold and Win, Multiplier, Mystery Symbol, Nudge Feature, Random Multiplier, Respins, Stack, Wild, Wilds with Multipliers
Return to Player (RTP): 96%
Variance: Medium
Theme: Steampunk
Genre:Video Slots
Bonus Features:Bonus Game, Bonus symbols, Fixed Jackpots, Free Spins, Hold and Win, Multiplier, Multiway (+1024), Mystery symbol, Random Wilds / Additional Wilds, Respins, Scatter symbols, Symbols collection (Energy), Walking Symbols, Moving Wilds, Wild Theme: Book, Candle, Cup, Halloween, Holidays, Magic, Magic wand, Magician, Illusionist, Mythical, legend, Potion, Treasures, Weapons, Witches
Return to Player (RTP): 96.05%
Variance: High
Theme: Halloween, Magic
Genre:Video Slots
Bonus Features:Scatter, Wild, Free Games, Pin Win, Pick Game, Pile Collector, Sticky Symbols, Expanding Wild, Wild Multipliers
Return to Player (RTP): 95.5 Adjustable%
Variance: Medium-High
Theme: Space, Aliens
Genre:Video Slots
Bonus Features:Additional Free Spins, Buy Feature, Free Spins, Free Spins Multiplier, Gonzo mechanic, Multiplier, Multiway (+1024), Pot Collection, Reelset Changing, RTP range, Scatter symbols, Wild
Return to Player (RTP): 95.56%
Variance:High
Theme: Fish, Ocean
Genre: Video Slots
Bonus Features:Additional Free Spins, Avalanche, Bonus Bet, Bonus symbols, Buy Feature, Cascading, Free Spins, Free Spins Multiplier, Multiplier, Pay Anywhere, RTP range, Scatter symbols
Return to Player (RTP): 96.5%
Variance:High
Theme: Greek Mythology
Genre: Video Slots
Bonus Features:Bonus Game, Bonus symbols, Jackpots, Extra Spins, Buy Feature, Scatter symbols, Coin Boost, Mighty Reels, Wilds
Return to Player (RTP): 94.22%
Variance:Medium
Theme: Tiki Masks, Aztec, Adventure
Genre: Video Slots
Bonus Features:Additive symbol, Bonus Game, Bonus symbols, Buy Feature, Fixed Jackpots, Hold and Win, Multiplier, Respins, Sticky Symbols, Walking Symbols, Moving Wilds, Wilds
Return to Player (RTP): 96%
Variance:Medium
Theme: Gems, Gold, Gold bars, Gold-colour, Goldmine, Mining
Genre: Video Slots
Bonus Features:Additional Free Spins, Buy Feature, Free Spins, Multiplier, Scatter symbols, Wild
Return to Player (RTP): 95.98%
Variance:Medium-High
Theme: Easter, Water, Fishing
Genre: Video Slots
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