The Expanse, a board game based on the Syfy television series, focuses on politics, conquest and intrigue similar to the board game Twilight Struggle, but with a shorter playing time. The card-driven game uses main images from the show, along with action points and events that lets players move and place "Fleets" and "Influence".

Players represent Earth's UN forces, the military of Mars, the rebels of the O.P.A., and the mysterious corporation Protogen Inc. Each player have unique abilities that must be maneuvered to gain advantage. Players increase their control over the solar system using events and characters from the universe of The Expanse.