public void start()
    {
        for (int i = 0; i < level.length; i++) 
        {
            for (int j = 0; j < level[0].length; j++) 
            {
                Stack<GameObject> it = level[i][j].getGameObjects();
                for (int k = 0; k < it.size(); k++) 
                {
                    GameObject object = it.get(k);
                    if(object != null && object instanceof Ghost)
                    {
                        ((Ghost) object).pauzeTimer(false);
                    }
                    if(object != null && object instanceof Pacman)
                    {
                        ((Pacman) object).pauzeTimer(false);
                    }
                }
            }
        }
        pauzeTimer(false);
    }