You will need to pick six Mega Millions numbers total: Five numbers between 1-70 (the white balls) and the gold Mega Ball number, which is one number between 1-25. Hand your slip to the cashier and you will receive a printout of those numbers. Again, you can choose to add the "Megaplier" or not.
How Do You Play Mega Millions Online? Play Mega Millions by selecting five main numbers (from 1-70) and a Mega Ball (from 1-25) for each line and you can do this online in the same manner as if purchasing your tickets in person at a retailer.