As gaming hits draw tens of millions of simultaneous players, Roblox engineers make sure the internet’s youth never deal with buffering.

As part of its overall trust and safety effort, Roblox is rolling out advanced age estimation systems to protect kids.

Roblox Corp., the popular video-game platform, reported a larger-than-expected jump in active users for the first quarter, benefiting from efforts to attract new players and keep them using the ser… ...