Big Bonus Booster

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Game Introduction

Big Bonus Booster is a video slot designed by Inspired. This game features six reels and fifty paylines, and can be played with stakes ranging from £0.10 up to £5.00 per spin. The gameplay includes standard spins, bonus features, a gamble mechanic, and a special Fortune Bet mode.

Paytable and Symbols

Payouts depend on your current bet, with combinations formed when matching three or more identical symbols on adjacent reels starting from the leftmost reel. The following table presents the symbol values for six, five, four, and three of a kind respectively:

• Red 7: £15 (6x), £5 (5x), £2 (4x), £0.50 (3x)
• Crown: £20 (6x), £6 (5x), £2 (4x), £0.50 (3x)
• Wild: £250 (6x), £15 (5x), £4 (4x), £1 (3x)
• Plum: £8 (6x), £3 (5x), £1 (4x), £0.20 (3x)
• Watermelon: £8 (6x), £3 (5x), £1 (4x), £0.20 (3x)
• Silver 7: £10 (6x), £4 (5x), £1.50 (4x), £0.40 (3x)
• Blue 7: £10 (6x), £4 (5x), £1.50 (4x), £0.40 (3x)
• Cherry: £5 (6x), £2 (5x), £0.50 (4x), £0.10 (3x)
• Lemon: £5 (6x), £2 (5x), £0.50 (4x), £0.10 (3x)
• Orange: £5 (6x), £2 (5x), £0.50 (4x), £0.10 (3x)
• Grapes: £5 (6x), £2 (5x), £0.50 (4x), £0.10 (3x)

Only the highest win is paid per combination, and wins on separate paylines are added together.

Wild Symbol Details

• The Wild symbol substitutes for all other symbols except the Bonus Scatter.
• In the base game, Wilds can land on all six reels.
• During the Free Spins Bonus, Wilds appear exclusively on reels 2, 3, 4, and 5.
• All Wilds that appear during free spins become locked in place until the feature concludes.

Win Lines

• There are 50 paylines in total.
• Winning combinations are formed by matching symbols on adjacent reels starting with the leftmost reel.
• All wins pay from left to right, except for Bonus symbols.

Activating the Big Bonus Feature

• Bonus symbols can land on any reel during the main game.
• Landing three or more Bonus symbols anywhere in view activates the Big Bonus round.
• The initial value of the Big Bonus is revealed through the pick-me round and is determined as follows:
  • 3 Bonus Symbols: Possible values are 20X, 25X, 30X, 50X, or 100X.
  • 4 Bonus Symbols: Possible values are 25X, 30X, 50X, or 100X.
  • 5 Bonus Symbols: Possible values are 30X, 50X, or 100X.
  • 6 Bonus Symbols: Possible values are 50X or 100X.

Big Bonus Match 3 Pick-Me Round

• This round determines the starting value of the Big Bonus.
• Players are presented with a grid of 6, 9, 12, or 15 identical tiles depending on the number of triggering Bonus symbols.
• Tiles are selected to reveal Big Bonus gems.
• Once three identical gems are matched, the bonus begins at the value displayed on those gems.

Free Spins and Booster Gems

• The Big Bonus trail carries over from the pick-me feature.
• Big Bonus Booster gems can land on reel 6 during free spins and contribute to filling the trail.
• When the active trail segment is filled with Booster gems, the Big Bonus value is upgraded.
• Only gems corresponding to the active trail segment will appear on reel 6.
• Any Wild that lands during free spins will remain locked in its position until the end of the free spins.
• Free spins continue until a win is achieved that is equal to or exceeds the Big Bonus value.

Fortune Bet Mode

• Fortune Bet can be activated by pressing the Fortune Bet button.
• With Fortune Bet enabled, the bonus feature triggers 50% more frequently.
• The winning values, bonus amounts, and thresholds do not change compared to standard play.

Gamble Mechanic

• The gamble feature can be set to three modes: always on, on for wins of 5x stake or more, or off.
• When enabled, any win can be gambled, and for wins of 5x stake or greater, the feature is also offered.
• Two wheels appear:
  • The left wheel gives a chance to increase winnings by half, double, or triple the current amount.
  • The right wheel offers a shot at entry to the Big Bonus; the win value may be adjusted.
• If the wheel pointer lands on green, the associated cash value or bonus is awarded; if on red, the winnings are lost.
• Players can gamble up to 2500x the base stake or a maximum of £50,000 (whichever is lower).
• A maximum of six Scatters is available in the gamble for the Bonus wheel.
• Players may choose to collect winnings at any point by pressing 'COLLECT'.
• The expected return for the gamble feature is displayed in-game.

Spin Chance

• If your balance drops below the current play price yet remains above zero, Spin Chance will be offered.
• You may opt to wager your remaining credit for an opportunity to make one spin at the current bet.
• Select 'PLAY' to attempt the Spin Chance, or 'NO THANKS' to retain your remaining credit.
• If the pointer stops on green, you receive one spin at the chosen stake; if on red, your remaining balance is forfeited.

Game Controls

• Spin: Initiates play at your selected bet size.
• Stake: Opens the stake adjustment menu.
• Fortune Bet: Enables or disables Fortune Bet mode.
• Settings: Provides access to various options and game details.
• Game History: Displays the history of your previous plays.
• Sound: Turns game audio on or off.

Keyboard Shortcuts

• The SPACE BAR can be used to activate the primary on-screen button.

General Information

• Game recovery will restore the previous session following interruptions.
• Minimum stake: £0.10 per game.
• Maximum stake: £5.00 per game.
• The potential win on a single game is limited to £50,000 (not including any jackpots).
• All outcomes are determined in advance except where clearly stated.
• If a malfunction occurs, all plays and payouts are void.
• The game's return-to-player (RTP) information is available within the game.

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*All values (Bet Levels, Maximum Wins etc.) mentioned in relation to this slot game are subject to change at any time. Game features mentioned may not be available in some jurisdictions.