Roll for the Galaxy Rivalry GameDescriptionSpecificationsShipping Roll for the Galaxy: Rivalry, the second expansion for Roll for the Galaxy, consists of three expansions in one box. First, it adds expansion content to the base game: 62 more game dice, a new die type, start factions, home worlds, and more than double the number of game tiles for the bag as in Ambition, the first expansion for Roll. This material is compatible with Ambition, but that expansion is not required to play