Copy join link as RobloxGameInstance

local ScreenGui = Instance.new("ScreenGui", game:GetService("CoreGui"))
local Frame = Instance.new("Frame", ScreenGui)
local CloseBtn = Instance.new("TextButton", Frame)
local Info = Instance.new("TextLabel", Frame)
local TextBox = Instance.new("TextBox", Frame)

ScreenGui.ResetOnSpawn = false

Frame.Size = UDim2.new(0, 480, 0, 180)
Frame.Position = UDim2.new(0.5, -240, 0.25, 0)
Frame.BackgroundColor3 = Color3.fromRGB(20, 20, 20)
Frame.BorderSizePixel = 0
Frame.Active = true

CloseBtn.Size = UDim2.new(0, 30, 0, 30)
CloseBtn.Position = UDim2.new(1, -35, 0, 5)
CloseBtn.Text = "X"
CloseBtn.BackgroundColor3 = Color3.fromRGB(170, 50, 50)
CloseBtn.TextColor3 = Color3.fromRGB(255, 255, 255)
CloseBtn.TextSize = 22
CloseBtn.Font = Enum.Font.GothamBold
CloseBtn.MouseButton1Click:Connect(function()
	ScreenGui:Destroy()
end)

Info.Size = UDim2.new(1, -20, 0, 60)
Info.Position = UDim2.new(0, 10, 0, 40)
Info.BackgroundTransparency = 1
Info.TextColor3 = Color3.fromRGB(200, 200, 200)
Info.TextSize = 16
Info.Font = Enum.Font.Code
Info.TextWrapped = true

TextBox.Size = UDim2.new(1, -20, 0, 50)
TextBox.Position = UDim2.new(0, 10, 0, 110)
TextBox.BackgroundColor3 = Color3.fromRGB(30, 30, 30)
TextBox.TextColor3 = Color3.fromRGB(255, 255, 255)
TextBox.TextSize = 18
TextBox.Font = Enum.Font.Code
TextBox.ClearTextOnFocus = false
TextBox.TextWrapped = true

local placeId = game.PlaceId
local jobId = game.JobId
local placeName = game:GetService("MarketplaceService"):GetProductInfo(placeId).Name

local joinString = ('Roblox.GameLauncher.joinGameInstance(%s, "%s");'):format(placeId, jobId)

Info.Text = "Current Place: " .. placeName ..
            "\nPlaceId: " .. placeId ..
            "\nJobId: " .. jobId

TextBox.Text = joinString

if setclipboard then
	setclipboard(joinString)
end

local dragging = false
local dragStart, startPos

Frame.InputBegan:Connect(function(input)
	if input.UserInputType == Enum.UserInputType.MouseButton1 then
		dragging = true
		dragStart = input.Position
		startPos = Frame.Position
	end
end)

Frame.InputChanged:Connect(function(input)
	if input.UserInputType == Enum.UserInputType.MouseMovement and dragging then
		local delta = input.Position - dragStart
		Frame.Position = UDim2.new(
			startPos.X.Scale, startPos.X.Offset + delta.X,
			startPos.Y.Scale, startPos.Y.Offset + delta.Y
		)
	end
end)

game:GetService("UserInputService").InputEnded:Connect(function(input)
	if input.UserInputType == Enum.UserInputType.MouseButton1 then
		dragging = false
	end
end)