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 ...

Social platforms Snapchat and Discord were also sued for facilitating abuse. In other lawsuits, parents accuse Minecraft and Fortnite of design choices that induce internet gaming disorder.

Controversy surrounding the fast-growing gaming platform Roblox Corp.’s security measures, which critics say have made the site a haven for child predators, is starting to scare off investors. The ...