Germany's Deutsche Sportlotterie (DSL) is preparing to launch a nationwide advertising campaign to promote its offering, following a major revamp which has seen its game formula overhauled and its top prizes doubled, and German footballer Philipp Lahm signed up as a patron.

Having officially gone live in January last year, the DLS has now revamped its offering with a game format it describes as unique in the country.

The players pick seven numbers, which are matched up with seven picked in the weekly draw...

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