Joker is a bonus game that takes place after the Lotto 6 out of 45 draw. Joker can be played not only in combination with Lotto, but also with EuroMillions, Toto, Bingo, Zahlenlotto, TopTipp and Lucky Day – up to 10 times per receipt, all you have to do is tick “Yes” on your next winning ticket. More details about Joker can be found here.