The worlds of infinite space are yours to discover with the Galaxy Exploration Manual! This all-new Starfinder rules expansion hardcover for players and Game Masters focuses on trailblazing, exploration-based play across an expansive variety of unusual planets packed with deadly dangers and thrilling possibilities for adventure! The Galaxy Exploration Manual contains: * New class options for every Starfinder class. * An extensive player character background generator. * New equipment from personal items to grenades, medicinals, and serums. * Rules for creating and exploring sensational science-fantasy worlds ranging from a huge variety of planets to asteroids, satellites, colony ships, and more. * Extensive details on 12 different environmental biomes like airborne, desert, space, subterranean, or urban, with systems for generating its inhabitants, threats, and adventure hooks and tons of unique player character options. * Rules for creating and expanding a world's culture, from magic to religion to technology. * GM tactics and advice for running exciting open-ended space exploration campaigns.