Roblox has been broken for hours, with people unable to log into the game.

Roblox Corp. shares plummeted Wednesday for their worst day since going public, as more "once-stuck inside kids" are going outside and making it harder for the social-gaming platform to make money.

Roblox writes that to better reflect how its users connect and interact, it is renaming Friends to Connections. There will also be a Trusted Connections section where ...