Leaderstats script, End of game not working. help?

game.Players.PlayerAdded:Connect(function (players)

  local leaderstats = Instance.new("Folder")
  leaderstats.Name = "leaderstats"
  leaderstats.Parent = players

  local Cash = Instance.new("IntValue")
  Cash.Name = "Cash"
  Cash.Value = 0
  Cash.Parent = leaderstats
 end)