Winstones: Mammoth Mayhem

Winstones: Mammoth Mayhem

Take off to the stone age for our slot sequel, Winstones: Mammoth Mayhem.

  • 20p

    20p

  • Free Spins

    Free Spins


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

Land two Mammoth Bonus symbols on reels two and four, along with a Wheel Bonus symbol on reel three to trigger the Mammoth Wheel Bonus.

Click on the mammoth to stop the wheel and determine which prize you will receive.

Should the wheel land on x2, all prizes on the wheel are doubled and the reels will be re-spun.

This can occur twice, up to a maximum of 2,000x your bet.


Mammoth Free Spins Bonus

Land two Mammoth Bonus symbols on reels two and four, along with a Fire Bonus symbol on reel three to trigger the Mammoth Free Spins Bonus.

Click on the stars to reveal the number of free spins and win multiplier awarded for this bonus round.

You can initially trigger up to 23 free spins, along with a x4 win multiplier.

Landing any Fire Bonus symbols on the reels during this bonus round can award up to three additional free spins.

There's also a chance that you can increase 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.