With the discovery of an uncharted, resource-rich, and uninhabited planet in the Vast, several factions begin a joint settlement effort, and the heroes are given the chance to be the scouts and administrators of one such charter. Planetfall is a Starfinder Roleplaying Game adventure for four 1st-level characters. This adventure begins the Horizons of the Vast Adventure Path, a six-part, bimonthly campaign in which the heroes are at the forefront of exploring and charting a world filled with mystery.