Put your web game in front of players

const watchAdButton = document.querySelector('#watch-ad');
watchAdButton.disabled = true;

const prepared = await BBArcade.prepareRewardedAd({
  placement: 'revive',
  reward: 'extra_life',
  onStart: () => pauseAudio(),
});

if (prepared.status === 'ready') {
  watchAdButton.disabled = false;
  watchAdButton.addEventListener('click', async () => {
    const resultPromise = prepared.show(); // call directly from this click
    watchAdButton.disabled = true;
    const result = await resultPromise;
    resumeAudio();
    if (result.status === 'viewed') giveExtraLife();
    else showNoReward(result.status); // dismissed/unavailable/error: no reward
  }, { once: true });
} else {
  showAdUnavailable(); // no reward; keep the normal fallback available
}

async function enterLobby() {
  if (!BBArcade.multiplayer) return showSoloFallback('unsupported');

  try {
    const room = await BBArcade.multiplayer.joinRoom({
      create: true, // or code: 'ABCD', or match: true for public quick match
      // The first relay seat may choose an integer roomSize from 2 to 64 (default 8).
      joinData: { roomSize: 8, avatar: 'golem' }, // always untrusted
    });

    // The initial welcome is already reflected in these fields.
    renderLobby(room.code, room.players, room.state);
    room.on('playerJoin', () => renderPlayers(room.players));
    room.on('playerLeave', () => renderPlayers(room.players));
    room.on('snapshot', ({ state }) => renderRoomState(state));
    room.on('event', event => {
      if (event?.type === 'relay') receivePublicMessages(event.messages);
      else if (event?.type === 'relay_host') setHost(event.hostId);
      else handleRefereeEvent(event);
    });
    room.on('connection', ({ reconnecting }) => setReconnecting(reconnecting));
    let ended = false;
    room.on('close', ({ reconnecting }) => {
      setReconnecting(reconnecting);
      if (!reconnecting && !ended) showConnectionClosed();
    });
    room.on('end', ({ results }) => {
      ended = true;
      showResults(results); // relay rooms never emit end
    });
    onGameMessage(data => {
      // Relay sends this to every seat; never put private/hidden data in it.
      if (!room.trySend(data)) {
        if (!room.connected) setReconnecting(true);
        else showSendFailure();
      }
    });
    onExit(() => room.leave());
    return room;
  } catch (error) {
    showSoloFallback(error.code || 'error');
    return null;
  }
}

await BBArcade.save(JSON.stringify(state)); // persist progress (logged-in players)
const data = await BBArcade.load();         // your saved blob, or null

BBArcade.xrSessionStart();  // after navigator.xr.requestSession(...)
BBArcade.xrSessionEnd();    // in the XRSession 'end' event