Police in Mülheim, North Rhine-Westphalia reported on Tuesday that the thieves headed directly for the part of the shop where pallets of beer from a brewery in neighbouring Duisburg were being stored.
"Apparently, they opened well over 1,000 bottles just to get to the tokens attached to the bottle caps," the officers wrote.
A spokesman for Trinkgut Schmidt KG told The Local that the firm didn't want to comment on the incident until the police had finished their investigation.
The first responders found dozens of non-winning bottle caps strewn around the floor of the shop – but not a single empty bottle.
Police are now appealing for witnesses who might have seen anything suspicious in the area.