l.add(new SelectionMenuCell(this, "restart game", new Runnable() {
public void run() {
reset();
}
}, null));
default_menu = new SelectionMenuComponent(this, SCREEN_DEFAULT, l);
menu_handler = new SelectionMenu(default_menu);
setGroupMonitor(new Monitor(), new Monitor());
initGraphics((props.getDebug() & GameProperties._DEBUG_GUI) == 0);
setProps(props);
initLayers();