The Expanse: Osiris Reborn is a story-driven action RPG from Owlcat Games set in the sprawling solar system of the acclaimed Expanse franchise. Players lead a squad of mercenaries through third-person combat as events tied to the Eros incident unfold.

Choices affect companions, relationships, and the unfolding plot, while the gritty, lived-in feel of the setting frames the tension between Earth, Mars, and the Belt. It gives fans of the universe a fresh perspective on familiar conflicts.