<p>Royal Caribbean International is sponsoring the &ldquo;Cruise them or Lose  them&rdquo; online game, which lets consumers play for a chance to win a  cruises.</p>
<p>The game is part of the line&rsquo;s campaign that urges Americans to use  all their vacation days. The cruise line just released &ldquo;Worker You vs.  Vacation You&rdquo; (www.youtube.com/watch?v=rh5D9iNi2BY), a light-hearted online video following &ldquo;Vacation Daze,&rdquo; which launched in August.</p>
<p>To play the online game, visit www.RoyalCaribbean.com/Game. The game ends Oct. 4 and is only open to participants in U.S. and Canada.</p>