The Starfinder GM Core for Starfinder Second Edition is a comprehensive 264-page rulebook that provides Game Masters with the essential tools to create exciting adventures. From one-night scenarios to complex epic stories spanning years, this guide includes clear guidelines for designing new threats and alien creatures, as well as mechanics for crafting balanced encounters.

The Starfinder GM Core also includes rules for quick cinematic spaceship battles and dynamic hacking mechanics.

The pocket edition contains the same content as the regular version in a smaller form for better portability.

The contents of the Starfinder GM Core include:

• Rules for running a Starfinder game, including guidelines for challenging encounters, determining success, and awarding rewards.
• Tips to help you become an excellent Game Master, with tools to ensure a safe and enjoyable experience for you and your players.
• Guidelines for creating your own content, from campaigns and adventures to threats and creatures.
• Subsystem rules for managing a wide range of game situations, including rules for chases, cinematic spaceship battles, exploration, hacking infiltration, and more.
• A guide to the Pact Worlds and the wider galaxy, covering several key regions and exploring the broader universe.

The authors of this work are Jessica Catalan, Thurston Hillman, Jenny Jarzabski, Mike Kimmel, and Dustin Knight.