About us. MERKUR Casino UK, known formerly as Praesepe, is one of Europe's largest and most experienced gaming organisations operating over 210 MERKUR Slots, 3 MERKUR Bingo clubs and 3 Family Entertainment Centres.

In 1974, Paul Gauselmann opened his first gaming venue in Delmenhorst, Germany, which at the same time was also the first modern venue of its kind. Over the coming decades the CASINO MERKUR-SPIELOTHEK subsidiary became one of the largest national gaming venue chains in Germany.