Roll for the Galaxy Rivalry Board GameRoll for the Galaxy: Rivalry, the second expansion forRoll 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 inAmbition, the first expansion forRoll. This material is compatible withAmbition, but that expansion is not required to playRivalry. If you are familiar with the