The US state of Louisiana has filed a lawsuit accusing Roblox of facilitating the exploitation of children, prompting the online game platform to reject the claim as "untrue" on Friday.

Tens of millions of these games live on Roblox ’s browser—hundreds of times more titles than exist on Steam. Every day, 43 million people play those games, mostly kids.

In Dress to Impress, a game on the Roblox platform, users design outfits and then compete on the catwalk.