Tempo

public bool start;
    float nonTimedTime;
    public float actualTime;
    public Respawner respawnRef;

    void Update()
    {
        if (start)
            actualTime = Time.time - nonTimedTime;
        else
            nonTimedTime = Time.time;

        if (actualTime > 120)
            respawnRef.GameOver();
            StartCoroutine(EndGame());

    }

    IEnumerator EndGame()
    {
        yield return new WaitForSeconds(10f);
       // Application.LoadLevel(Application.loadedLevel);
    }
}