Mario exe script that only works in 1 game

local Lighting = game:GetService("Lighting")
local Workspace = game:GetService("Workspace")

-- Create first sound
local sound1 = Instance.new("Sound")
sound1.SoundId = "rbxassetid://1332644289" -- First song
sound1.Volume = 1
sound1.PlaybackSpeed = 0.8 -- First song pitch
sound1.Parent = Workspace

-- Create second sound
local sound2 = Instance.new("Sound")
sound2.SoundId = "rbxassetid://90035110587348" -- Second song
sound2.Volume = 1
sound2.PlaybackSpeed = 1.0 -- Second song normal pitch
sound2.Looped = true -- Loop second song
sound2.Parent = Workspace

-- Play first sound
sound1:Play()
task.wait(3.1)

-- Stop first sound, play second sound
sound1:Stop()
sound2:Play()

-- Apply skybox when second song starts
local sky = Instance.new("Sky")
sky.Name = "CustomSky"
for _, face in pairs({"Bk","Dn","Ft","Lf","Rt","Up"}) do
    sky["Skybox"..face] = "rbxassetid://7863469635"
end
sky.Parent = Lighting

-- === Decal replacement function ===
local decalID = 137939198058148

local function replaceDecals(root)
    for _, obj in pairs(root:GetChildren()) do
        if obj:IsA("BasePart") then