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Amusnet Gaming has officially added 40 Extra Crown Coin Boost to its slot portfolio, pairing the popular Extra Crown theme with dynamic Coin Boost features. Set across a 5x4 grid, the title delivers an elevated, feature-rich experience designed to drive continuous session momentum.
The core of the title revolves around the Coin Boost Feature, which can activate whenever coins land during base spins to trigger five Free Spins. During these rounds, cash and jackpot coins evolve through a four-tier upgrade system, progressing from Bronze to Silver, Gold, and ultimately Diamond status to increase potential payouts. Unpredictability is further enhanced by the Mystery Trigger, which can randomly drop coins onto the screen and launch the feature instantly.
Wild symbols substitute to complete winning combinations, while Scatter symbols pay across any position on the reels. For players wanting direct access to the main event, an integrated Buy Bonus option provides immediate entry into the feature round. The title is completed by a static four-level jackpot system featuring Mini, Minor, Major, and Grand tiers active throughout the game.
By combining an established brand identity with evolving coin progressions and instant-access options, 40 Extra Crown Coin Boost provides operators with a strong, high-retention addition to their lobbies.
Coin Boost
The feature can be triggered when at least one coin appears on the screen during the base game. It starts with all Coin symbols that have already triggered it and five initial Free Spins.
When the Upgrade lands on an already existing coin, it upgrades it to the next-level coin. If the Upgrade lands on a maximum-level coin, a random adjacent coin will be upgraded instead of it. If all coins on the screen are at the maximum level and there are still free positions, a random position will be filled with a coin at the lowest level (Bronze). If all coins on the screen are at the maximum level and there are no free positions, no further upgrades will take place.
Special Coins and Multipliers
All Jackpot Coins (Mini, Minor, Major, Grand) can land during the base game and the Coin Boost Feature. Also, a special Plus Spins can land on the screen during the Coin Boost Feature. It first awards additional spins and then transforms to a first-level cash coin (a bronze coin). Multiple Plus Spins Coins can also land during the feature. In case the whole grid is filled during the feature, all winnings are multiplied by x2!
Expanding Wild
The Crown Wild symbol appears on the second, third, and fourth reel and substitutes for all symbols on the same reel except for the Dollar and the Star Scatter symbols.
Buy Bonus
The feature enables the player to buy the Coin Boost feature guarantees that at least one coin will land and trigger the feature.
Gamble
Play the game and multiply your winnings through the Gambling feature!
Jackpot Cards
The Jackpot Cards bonus game is triggered at random during the gameplay to allow players to win impressive jackpots.
