private void Start() { pauseMenuService.OnPauseButtonPressed += timer.PauseTimer; pauseMenuService.OnContinueButtonPressed += timer.Unpause; pauseMenuService.OnExitButtonPressed += OnExitButtonPressed; statisticService.OnScoreChanged += OnTotalScoreChanged; statisticService.OnSheetAdded += OnSheetNumberChanged; timer.OnTimeChanged += OnTimeChanged; timer.BeginTimer(); }