"The Assimilation Strain" is a prelude to the Legendary Planet Adventure Path.

Marooned on an alien planet with few friends, your heroes discover a ray of hope - a possible way home!

A desperate search for a way home becomes something far greater when your heroes stumble into the middle of an all-out invasion on the ocean planet of Vareen!

Stargates opens up a vast universe of possibility for creating and designing your own system of gateways to bring interplanetary adventure to your campaign.

When a brutal gang war breaks out on a docking bay in Absalom Station, the player characters are recruited by the Starfinder Society to investigate the unexpected bloodshed.

Now members of the Starfinder Society and piloting their very own ship, the heroes head to the planet Castrovel, home of some of the best universities in the Pact Worlds.

Be prepared for nearly every outcome with Starfinder Condition Cards.

Tracking the Cult of the Devourer, the heroes travel to the asteroid belt called the Diaspora to find the cult's hidden command post.

This massive 528-page hardcover rulebook is the essential centerpiece of the Starfinder Roleplaying Game.

Outfit yourself with only the best supplies for interstellar adventure with the hardcover Starfinder Armory!

Bring dramatic history and wondrous myths to your game table: the legends of heroes, villains, monsters, and magic that define Midgard's most prominent regions.

The heroes journey deeper into the Vast to find the Gate of Twelve Suns, an alien megastructure consisting of a dozen stars arranged in a perfect circle.

Hired to transport supplies to a fog-shrouded world, the heroes discover that a military force has invaded the Pact Worlds colony there.