The Expanse: Osiris Reborn Steam page revealed for 2027 release

A Steam store page has been revealed for ‘The Expanse: Osiris Reborn’, a story-driven science fiction action RPG set in the 24th century. The game is scheduled for release in the second quarter of 2027.

Owlcat Games has detailed a choice-and-consequence system where player decisions significantly impact narrative developments and character fates. Players can select origins from Martian, Earth, or Belter backgrounds, which will influence mission access and how the world reacts to the protagonist.

Gameplay features include third-person combat and interactions with squadmates that can alter their behavior or destiny. The game will feature locations such as Eros, Ganymede, Ceres, Mars, and the Moon, alongside factions like Pinkwater Security.