Surrounded by virtual cliffs and a cascading waterfall, dragon riders on Roblox’s massive online gaming platform immerse themselves in a memorable scene from “How to Train Your Dragon.” In the ...

Rumors have been swirling that popular online gaming platform Roblox is shutting down. Roblox allows users to make a virtual universe and participate in millions of games and interactive environments.

Roblox can’t keep up. After years of criticism that its platform isn’t safe for the young gamers it caters to, the multibillion-dollar company announced in July that it was rolling out new measures to ...