public void execute() {
if (sender instanceof Player) {
//perform some nice layout coloring
MessageBuilder builder = new MessageBuilder();
builder.newLine().green("[Loaded/Online] ").red("[Unloaded/Offline] ").dark_red("[Broken/Dead]");
builder.newLine().yellow("Available worlds: ");
builder.setSeparator(ChatColor.WHITE, " / ").setIndent(2).newLine();
for (String world : WorldUtil.getLoadableWorlds()) {
if (WorldManager.isLoaded(world)) {
builder.green(world);
} else if (WorldConfigStore.get(world).isBroken()) {