German authorities have joined the chorus of critics calling for the regulation of video game loot boxes after research found it to have gambling elements.

Welt Am Sonntag reported that Germany’s Commission for Youth Media Protection, part of the State Media Authorities, stated that it’s considering a ban on loot boxes after a University of Hamburg study concluded that elements of gambling were becoming increasingly common in video games.

Loot boxes are virtual boxes in video games in which players can find additional weapons and additional paid offers for the games, for example.

“I think it is conceivable that loot boxes could violate the ban on gambling to children and adolescents,” Germany’s Youth Protection Commission Chairman Wolfgang Kreißig pointed out, according to the news outlet.