This is important, because you need Roblox Studio to actually edit your game. Inside Roblox Studio, you can create new games by clicking + New tab on the left hand bar.

How do you make games in Roblox? Firstly you'll need to download and install Roblox Studio, a free piece of software that is used to create all Roblox games.

While there's not a Roblox app for ChromeOS, it's still possible to play using the Android app on some Chromebooks, or by streaming the game.