Menu
You can modify or completely remove the main UI menu.

Add buttons
const iconTexture = await Texture("icon.webp");
const customButton = world.ui.icons.add(
"ButtonName",
iconTexture,
"#ff7585", // background color
true // whether to place at the start or end
);
customButton.click = () => {
// anything you want
};
world.add(customButton);
Removing default buttons
world.ui.icons.remove("Editor");
world.ui.icons.remove("Worlds");
world.ui.icons.remove("Code");
world.ui.icons.remove("Avatars");
world.ui.icons.remove("Docs");
world.ui.icons.remove("Account");
Hiding / showing menu
world.ui.icons.show();
world.ui.icons.hide();
Hide play/stop button
world.ui.menu.playStopButton.visible = false;