On Dec. 5, “Ryan’s World” is taking its latest form, as a virtual world on the fast-growing videogame platform from Roblox Corp.

Roblox is still growing — by a lot. Some stats from the company’s third-quarter earnings: Revenue was $919.0 million, up 29% year-over-year.

Popular YouTuber Ryan's World has joined Roblox. Ryan opened his virtual theme park world this week, where players can meet their favourite characters from Ryan's World, and even meet Ryan himself.

Roblox reports 71.5 million daily active users, who are spending an average of 2.4 hours a day on the platform. And the fastest growing group devoting its time to Roblox is Gen Z, the 12 to 27 ...