The creator of “Blue Lock: Rivals” thought kids on Roblox might like a soccer video game with an anime vibe. It sold a few months later for more than $3 million. The 19-year-old, who asked that his ...

While previous blockbuster games from Fortnite to World of Warcraft primarily run on servers managed by their own developers and publishers, Roblox is distinctive in that its games and experiences are ...