Developer Console, Roblox Wiki

The Developer Console (shortened as the Dev Console or simply the console) is a built-in GUI used for a place. The console can be accessed in any place by pressing F9 on a standard keyboard, or typing "/console" in the Chat. The console displays output messages from the client. If the console is accessed by the place's creator, the console also has a server tab in which it displays output messages from the server and allow the creator to run code from the server. This section is a trivia section

Developer Console, Roblox Wiki

Developer console - Valve Developer Community

Discuss Everything About Roblox Wiki

Why are these not in game (found them from official wiki) : r

New Developer Console in Beta - Announcements - Developer Forum

Opening new dev console freezes Roblox - Engine Bugs - Developer

Roblox Developer Console [FromLegoUniverse's Edition] - Creations

List of Lego video games - Wikipedia

Creator Dashboard: Overview, Stats, & Associated Items