Roblox is a truly global game, and that means that pricing should vary depending on where your "customers" are, right?

Online videogame hub Roblox is now valued at about $4 billion after closing a new $150 million funding round led by venture-capital giant Andreessen Horowitz.

Roblox, a leading massively-multiplayer online game platform, has raised $150 million in Series G funding led by Andreessen Horowitz’s Late Stage Venture fund, it was announced Wednesday.