Intro Roblox Scripts

Replicated Storage (Local)
script.Parent:RemoveDefaultLoadingScreen()

WorkSpace Script (Script)

game.Players.PlayerAdded:connect(function(player)
 local gui = game.ReplicatedStorage:WaitForChild("ScreenGui"):Clone()
 gui.Parent = player.PlayerGui
 gui.Script.Disabled = false
end)

ScreenGui Script (Script)

local contentprovider = game.ContentProvider

while wait() do --Set to however long you want to wait before the screen goes away
 if contentprovider.RequestQueueSize == 0 then
  script.Parent.Frame:TweenPosition(UDim2.new(0,0,-1,0),"In","Quart",1)
  wait(1)
  script.Parent:Destroy()
 end
end