Winstones: Mammoth Mayhem is the slot sequel that is packed full of exciting game features.
Advance to the Pick Bonus for a combination of free spins and win multipliers that can deliver huge wins.
There's also a Wheel Bonus you could spin to a big cash prize.
Roll with the Winstones!
The bet sizes available in Winstones: Mammoth Mayhem range from 20p to £200.
There are up to 1024 paylines available in this game.
Mammoth Wheel Bonus
Landing two Mammoth Bonus symbols on reels two and four, plus a Wheel Bonus symbol on reel three triggers this bonus round.
Click on the mammoth to find out which prize you have won.
Should the wheel land on one of the x2 segments then all prizes on the wheel are doubled and the wheel is spun again.
This can occur twice, up to a maximum of 2,000x your total bet.
Mammoth Free Spins Bonus
Landing two Mammoth Bonus symbols on reels two and four, plus a Fire Bonus symbol on reel three triggers this bonus round.
Clicking on the stars will reveal the number of free spins and win multiplier you will be awarded for this bonus round.
Initially you can win up to 23 free spins, along with a x4 win multiplier.
Landing Fire Bonus symbols during this bonus round will award up to three additional free spins.
They can also increase your win multiplier.
Return to Player (RTP)
Return to Player: 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.