UIScript.Update C# (CSharp) Method

    public void Update()
    {
        if(Input.GetKey(KeyCode.B) && Input.GetKey(KeyCode.O) && Input.GetKey(KeyCode.S))
        {
            Application.LoadLevel(13);
        }
        if (Input.GetKey(KeyCode.S) && Input.GetKey(KeyCode.A) && Input.GetKey(KeyCode.T))
        {
            Application.LoadLevel(14);
        }
        if (Input.GetKey(KeyCode.T) && Input.GetKey(KeyCode.A) && Input.GetKey(KeyCode.N))
        {
            Application.LoadLevel(19);
        }
        if (GameMenu != null && Input.GetKeyUp(menuKey))
        {
            if (Application.loadedLevelName != "LoadingScreen" && Application.loadedLevelName != "OpeningScene") {
                UpdateMenu (GameMenu);
            }
        }
    }