the plus5 is £1 to play a lotto line on 5 days, so if you buy a line for saturdays lotto you can enter that line in a draw on sunday monday tuesday thursday and friday, the prizes start at 2.50 and go up to 250,000, with no share of the jackpot on that game, more than one person can win that top prize, plus, if you play a lotto line on a wednesday for an extra £1 you can enter the numbers in the draws on thursday friday sunday minday and tuesday, so it is a better value play