private void jButton27MouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_jButton27MouseClicked
       Object[] options = {"Ναι","Όχι"};
       int more = JOptionPane.showOptionDialog(this,"Θέλεις να τερματίσεις το παιχνίδι;","'Εφτασε το τέλος!",
       JOptionPane.YES_NO_OPTION,JOptionPane.QUESTION_MESSAGE,null,options,options[1]);
       System.out.println("more = " + more); 
       if (more==0) {GameOver=1; EndGame();}
       else if (more==1 && !jButton25.isVisible()){frozen=false;startAnimation();}
}