Lost Ruins of Arnak : Twisted Paths

That double-sided board is noticeably roomier than the base map, and our four-player games finally have elbow room. The temple tiles add a nice layer of risk since you can't always see what you're committing to.

The new research tracks completely change how you plan your turns, especially the one with the temple tiles — it forces you to commit early instead of hoarding resources. Played it twice back to back and both games felt totally different.

The double-sided map is noticeably bigger than the base game's, and the temple tiles on the new side made our first play feel completely fresh. Two new research tracks give everyone way more to think about each turn, which is exactly what I wanted from an expansion.