Hi, so. I am making a game in which I want my GUI to be the only thing on screen is there a way to get the top bar and chat gone so my UI can expand? If so thanks.
Set IgnoreGuiInset to true in your ScreenGui.
Is there also a way to hide chat?
You could use
game:GetService("StarterGui"):SetCoreGuiEnabled(Enum.CoreGuiType.All, false) game:GetService("StarterGui"):SetCore("TopbarEnabled", false)
to hide most parts of CoreGui. This works best with what @Ty_IsHomeSchooled said.
To show CoreGui again, just replace