The Expanse: Osiris Reborn - discover Project Caliban and the Protomolecule

In brief
- Watch the new The Expanse: Osiris Reborn trailer featuring Project Caliban and the Protomolecule, and see what it means for players.
- The trailer introduces Project Caliban, an essential part of the series and books’ lore.
- Players can choose between a male or female protagonist and will face Protogen’s mercenaries.
GAME-scanner analysis
The reveal of Project Caliban in the latest The Expanse: Osiris Reborn trailer is a strategic move by Owlcat Games, a studio known for its RPG expertise. Project Caliban, presented in the original stories as a secret experiment, provides rich background for both the gameplay and the narrative. The visual depiction of the Protomolecule, glowing bright blue, is a direct nod to the popular TV series, increasing the appeal for existing fans. This visual element could also attract new players who are curious about the world of The Expanse.
What does this mean for players?
For players, the option to play as a male or female protagonist adds a greater level of personalization, which can strengthen engagement with the story. The presence of Protogen’s mercenaries and the human-Protomolecule hybrid introduces exciting gameplay elements that raise the challenge. This offers not only an RPG experience, but also a chance to dive deep into the complex world of The Expanse, full of political intrigue and ethical dilemmas.
Timeline
2026-08-26: Release of The Expanse: Osiris Reborn.