In the distant future, Earth and Mars are on the brink of interplanetary war. In the Belt and the Outer Planets, which are bent under the yoke of the Inner Planets, discontent is simmering. As tensions and unrest mount, the secret discovery of an ancient alien artifact in the solar system threatens to forever alter the course of human history.

The Expanse role-playing game is based on the AGE fast-paced game system. Giving pride of place to action and intrigue, it allows you to explore the science fiction universe created by James S.A. Corey. Gather your crew of Earthlings, Martians and Beltians. Fasten your seatbelts and get ready to go full speed ahead for adventure!