Euromillions tickets cost £2.50 each, so 6x = £15. Cashback would be £15.75, making your tickets free after cashback. Players must be 18 or over and physically located in the UK or Isle of Man. Cashback on Lottoland is for new players only. Be sure to clear cookies etc first to give yourself the best chance of correct tracking. I use CCleaner then re-start PC, seems to track successfully every time that way.