Users of the game creation platform Roblox have long snuck music into their games, but now the music industry is trying to crack down.

Players can customize their own worlds on the platform. Many illegally upload songs — called “bypassing audio” — and some make intense tracks in a new genre, robloxcore.

The lawsuit seeks at least $200 million in damages and alleges company hasn’t licensed music featured in games on the popular platform.

The National Music Publishers’ Association sued Roblox, seeking at least $200 million in damages for alleged unauthorized use of songs.