Trigger the hugely exciting Casino Free Spins Bonus on our classic slot game, Winstones.

    Winstones Game Overview

    There are up to 25 paylines available in this game.

    Winstones Slot Theme 

    Fancy a trip back in time? You're in luck! Winstones is a marvellous online slot game with a Stone Age theme.

    Set against a rocky background, this slot is based around a casino set in the prehistoric times, which is hosted by Mr and Mrs Winstones.

    Players can expect to discover colourful symbols carved from rock, groovy characters and dinosaurs across the reels!

    Other games in the Winstones slot series include the splendid Winstones Jackpot.


    Wild Symbol

    The dazzling Winstones logo represents the Wild symbol in this game.

    Wild symbols can replace all other symbols, not including Bonus and Scatter symbols, to help complete wins.

    Woolly Mammoth Symbol

    The marvellous Woolly Mammoth symbol is a Scatter symbol and a Bonus symbol!

    This symbol can appear in any position across the reels to create a winning combination!

    The Woolly Mammoth symbol will pay according to your total wager:

    • Two Woolly Mammoth symbols - 2x total wager
    • Three Woolly Mammoth symbols - 5x total wager
    • Four Woolly Mammoth symbols - 10x total wager
    • Five Woolly Mammoth symbols - 50x total wager

    Casino Free Spins Bonus

    Collecting at least three scattered Woolly Mammoth symbols will unlock the Casino Free Spins Bonus.

    In this feature, you receive one spin of the free spin wheel, with any prizes that are available being displayed in the table below.

    Free Games
    Win Multiplier

    Return to Player

    Return to Player (RTP): 95.65%

    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 £95.65 of wins.