User blog comment:Lost Labyrinth/The Sims Medieval: Pirates and Nobles has been announced by EA!/@comment-2225748-20110709142540/@comment-2225748-20110709150245

Seemingly there's a difference. Yes, it adds new objects and other stuff, but it seems like the main addition is an 'epic new story' :|. Otherwise to keep things easy we can still keep it as 'Expansion pack'.