private void backBtnActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_backBtnActionPerformed

        twoPlayerPanel1.setVisible(false);
        playBtn.setVisible(false);
        singlePlayerBtn.setVisible(true);
        twoPlayerBtn.setVisible(true);
        quitGameBtn.setVisible(true);

    }//GEN-LAST:event_backBtnActionPerformed