The Pact Worlds are the heart of the Starfinder campaign, a solar system filled with citizens both familiar and strange. From the cosmopolitan halls of Absalom Station to the flesh-eating jungles of Castrovel or the floating cloud cities of the giant gas world Bretheda, this hardcover rulebook is your guide to the key worlds and cultures of Starfinder, as well as the perfect place to start an adventure.

Inside, you will find:

• Detailed gazetteers of the 14 major worlds of the system, from the high-tech Verces and the draconic empires of Triaxus to the necromantic deserts of Eox or the magical bubble-cities floating on the sun's surface. Each gazetteer includes a detailed map of the world, inhabitants and cultures, settlements and adventure locations, a unique theme for character customization from that world, and much more.
• New playable alien races, from the undead Eoxians to the plant-people of Castrovel.
• New starships, from the living ships of the Xenowardens to the malevolent dreadnoughts of the Hellknight.
• A codebook of thematic NPC statistics to help Game Masters create vibrant encounters.
• New archetypes for every class, including the Star Knight, Skyfire Centurion, and Divine Champion.
• Many new weapons, armor, spells, abilities, magical items, technological gadgets, and much more to equip your adventurers.