@Override
public void seeAchievementsCmd() {
ListIOManager<Achievement> achManager = new ListIOManager<Achievement>(this.model.getAchievementsFile());
this.model.initAchievements();
List<Achievement> listAchievements = achManager.readList();
AchievementsGUI achievementsGUI = new AchievementsGUI(listAchievements);
AchievementsController achController = new AchievementsController(this.mainFrame, this.model);
achController.setView(achievementsGUI);
this.mainFrame.replacePanel(achievementsGUI);
}