The forthcoming changes includes a second draw day on Tuesdays and expanding the number of Lucky Stars, it should result in much more rollovers and even bigger jackpots.
The EuroMillion's member countries - Austria, Belgium, France, Luxembourg, Portugal, Spain, Ireland, Switzerland and the United Kingdom - are also introducing naother 13th prize tier, where players can win around £3 for matching two main numbers.
The overall odds of winning any prize on the EuroMillions game will fall from one in 24 to one in 13 - the total number of prizes every week is expected to more than double from 1.9 million a week to 4.6 million.
Euro Lotto Tickets for the new-look game are due to go to sale on Saturday May 7 and the first Tuesday draw will take place on May 10.
To celebrate the new launch, the first Euro Millions Tuesday draw will have a special "mega-jackpot" estimated £85 million.
Dianne Thompson, chief executive of Camelot UK Lotteries, said: "Since EuroMillions was launched in 2004, it's grown to the world's biggest multi-national lottery game by player population".
"It has really captured the public's attetion, creating many multimillion-pound winners in the UK, as well as boosting returns to the Good Causes here ."
"These changes will make the Euro Millions game even more exciting for players - with the mega-jackpot levels our EuroMillions players love, as well great more chances to win smaller prizes "
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