During the first two parts and also in "" the player fights as Alliance pilot in the brutal civil war of the Alliance against the Federation. In "Shadows of Orion" a new threat emerges: the alien race, the Vonari. In most of the following games in the series there have been skirmishes or major conflicts with the Vonari. In "StarWraith IV: Reviction" the Vonari assault Earth. In "RiftSpace" the Vonari guard a powerful secret from humanity. In "Evochron Alliance" the Vonari assault the newly discovered EvoChron sector. "Arvoch Conflict" is the first game in which humanity counters the Vonari into their own territories.