Winstones: Mammoth Mayhem

Winstones: Mammoth Mayhem

Revisit the stone age and trigger slot wins in Winstones: Mammoth Mayhem!


    Winstones: Mammoth Mayhem Online Slot Game

    You can play Winstones: Mammoth Mayhem from just 20p per spin.

    There are up to 1024 paylines available in this game.


    Mammoth Wheel Bonus

    On reels 2 and 4, if two Mammoth Bonus symbols appear alongside a Wheel Bonus symbol on reel 3, the Mammoth Wheel Bonus is triggered.

    Click on the mammoth to stop the wheel, and this will decide which prize is awarded to you.

    All prizes on the wheel are doubled and the reels will be re-spun if the wheel lands on x2.

    This can take place twice, capped at a limit of 2,000x your bet.


    Mammoth Free Spins Bonus

    If two Mammoth Bonus symbols on reels 2 and 4, and a Fire Bonus symbol is displayed on reel 3, the Mammoth Free Spins Bonus is activated.

    Click on the stars and you will be able to see the amount of free spins and the win multiplier you will receive for this bonus round.

    You are able to trigger a maximum of 23 free spins at first, with a x4 win multiplier.

    If any Fire Bonus symbols appear on the reels during this bonus round, you could trigger a maximum of three extra free spins.

    It's also possible for you to boost the value of your win multiplier.


    Return to Player

    Return to Player (RTP): 96.46%

    The expected return is the amount we pay out to players relative to the amount of wagering on the game.

    For example, if we take £100 of wagers we will, on average, pay out £96.46 of wins.