The Expanse: Osiris Reborn

A sci-fi action RPG about leading a crew through conspiracy

Owlcat Games · Release: Q2 2027

Release: Q2 2027; not released yet
Wishlist rank: #20; most wanted
Followers: 90K; following the game
Demo: None

What we know: Official updates from July through October 2026 cover weapons and gadgets, player choices, a Ganymede trailer, a community portrait survey, Belt culture, and a Golden Joystick Award nomination.

What is The Expanse: Osiris Reborn?

In this story-driven sci-fi action RPG, you play a Pinkwater Security mercenary caught in a lockdown on Eros and drawn into a solar system-wide conspiracy. You create an Earther, Martian, or Belter captain, lead a crew, and fight in third person using cover and companion commands.

Screenshots and trailer

The Expanse: Osiris Reborn system requirements

As published by the developer.

Can my PC run The Expanse: Osiris Reborn?

The published requirements do not name a graphics card we can compare.

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Minimum

OS: Windows 10

Does The Expanse: Osiris Reborn have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does The Expanse: Osiris Reborn run on Steam Deck?

Untested Not yet tested by Valve on Steam Deck.

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows
Steam features: Family Sharing
Languages: Full audio: English. Text only: French, German, Spanish - Spain, Russian, Simplified Chinese.

Does The Expanse: Osiris Reborn use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 25, 2026. How to filter AI games on Steam