The Star Empires Compendium lets your Starfinder Roleplaying Game heroes stake their claim as planetary princes and cosmic conquerors with extensive rules for founding colonies and forming an empire, with a flexible and modular system for territorial expansion on a single planet to interstellar empires that span multiple systems. From settlement modules to sprawling metropolises, balance law and corruption, industry and culture, prosperity and popularity to keep your citizens loyal and productive, engaging in trade, diplomacy, espionage, and more. Build armies and fleets to defend your shining capital or unleash mighty crusades to seize power from your rivals as you explore new worlds, uncover (or inspire) interplanetary conspiracies, and boldly gone where no one has gone before!
- from the publisher's blurb