Police say a 37-year-old man groomed an Iowa teen he met on game platform Roblox, then drove her Tennessee, his home state, to sexually assault her.

Roblox has faced numerous accusations in recent weeks from families and public figures who say the online gaming platform failed to implement safeguards against the sexual exploitation of children.

Long plagued by moderation issues, the platform recently released a series of updates aimed at improving the experience for ...