UK National Lottery operator Camelot has unveiled a number of major changes to its Lotto game. From October of this year, the game will feature an additional 10 balls, with players having to select six balls from a total of 59. Camelot said Lotto will also offer larger rolling jackpots, with average jackpots expected to triple the level of current winning amounts. A new ‘Millionaire Raffle’ game will accompany the main Lotto draw on Saturdays and Wednesdays, guaranteeing at least two winners of £1 million (€1.4 million/$1.6 million) each week. Camelot said that the chance of winning at least £1…