The age-check system relies primarily on facial age estimation using a video selfie captured through a device camera.

Players under 9 years old will have chat turned off by default unless a parent approves its use after age verification.

The gaming platform poses both content concerns and safety risks that put minors in “the Devil’s crosshairs.” The company says tighter restrictions are coming.

Roblox announced the start of age-verification technology Thursday for users who want to chat more freely on the social-gaming platform as part of its new "trusted connections" feature. Roblox Chief ...