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The Expanse: Osiris Reborn

The Expanse: Osiris Reborn is a third-person Action RPG set in The Expanse universe. You’re no hero — just a merc caught in the wrong place at the wrong time, trying to hold your crew together and keep the ship up and running. Your choices will shape your story.

Coming Q2 2027ESRB M
ActionAdventureRPGSpaceSingleplayerSci-fi
The Expanse: Osiris Reborn
The Expanse: Osiris Reborn
The Expanse: Osiris Reborn
The Expanse: Osiris Reborn
The Expanse: Osiris Reborn
The Expanse: Osiris Reborn
The Expanse: Osiris Reborn
The Expanse: Osiris Reborn
The Expanse: Osiris Reborn
The Expanse: Osiris Reborn
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Developer: Owlcat Games
Publisher: Owlcat Games
The Expanse: Osiris Reborn
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About The Expanse: Osiris Reborn

The Expanse: Osiris Reborn

By the 24th century, humanity has conquered the cosmos. However, life has remained anything but easy. In The Expanse: Osiris Reborn, a story-driven sci-fi Action RPG, you play as a Pinkwater Security mercenary whose brief shore leave on the asteroid Eros spirals out of control. Trapped in a deadly lockdown and drawn into a solar system-wide conspiracy far beyond your control, you’ll have to adapt, survive, taking command of the most advanced ship in the whole of the solar system.

Create and customize your own captain — Earther, Martian, or Belter — and lead a crew of highly-skilled specialists as you face off against escalating threats, political pressure, and a relentless enemy that will stop at nothing to see you dead. In a solar system held together by fragile alliances, every decision leaves its mark. 

The Expanse: Osiris Reborn

Your companions are more than just mission assets — they are people with their own scars and loyalties. Some chase redemption. Others hide their truths. Over time, your relationships will flourish or deteriorate depending on the choices you make and how you choose to lead. The ship becomes your home — a place where trust is earned, not given.

The Expanse: Osiris Reborn

Fight in third-person utilizing cover-focused gunplay and abilities. Two companions will accompany you into the field while others will support from a distance: disabling systems or drawing the enemies’ attention. You will issue real-time commands and have to adapt quickly to survive the manifold threats the system will throw at you.

The Expanse: Osiris Reborn

Visit iconic locations like Ganymede, Ceres, Mars, and Luna. Walk through ruined habitats and political strongholds mired in unease and tension. Talk to the locals. Uncover secrets. Use your skills to influence what happens next. The system looks different from every planet and from every asteroid. Some are falling apart. Others just hide it better. You may even come across a familiar face or voice that reminds you of just how small the system really is.

Story

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By the 24th century, humanity has conquered the cosmos, but that hasn't made life any easier. What begins as a brief sojourn on the asteroid Eros reluctantly entangles you in a solar system-wide conspiracy. You will need to adapt to survive and keep your motley crew united in their mission as everything around you begins to fall apart. This is your story. The Expanse: Osiris Reborn offers a truly personal journey that evolves based on the choices you make and the pressures they place on everything you stand for. You begin as a Pinkwater Security mercenary taking some routine shore leave on Eros Station, when your much-needed rest is abruptly cut short as chaos erupts and an escalating emergency forces the entire station under strict quarantine. Create and customize your own captain — Earther, Martian, or Belter — and take command of the solar system’s most advanced spaceship as you fight to uncover the truth and reclaim control of your own fate.

Trailers

Announcement Trailer
Trailer
Trailer
Dev Diary

Game details

Developers
Owlcat Games
Publishers
Owlcat Games
Release date
Q2 2027
Genres
Action, Adventure, RPG, Space, Singleplayer, Sci-fi, Exploration, Character Customization, Story Rich, Choices Matter, Action RPG, Romance, Third-Person Shooter, Atmospheric, Shooter, Combat, Action-Adventure, Cinematic, Team-Based, Realistic
Modes
Single-player
Steam features
Family Sharing
Themes
Action, Science fiction
Camera
Third person
Series
The Expanse
Engine
Unreal Engine 5

Languages

LanguageInterfaceFull audioSubtitles
EnglishSupportedSupportedSupported
FrenchSupportedNot supportedSupported
GermanSupportedNot supportedSupported
Spanish (Spain)SupportedNot supportedSupported
RussianSupportedNot supportedSupported
Simplified ChineseSupportedNot supportedSupported
Portuguese (Brazil)SupportedNot supportedSupported
System requirements

Minimum

  • OS: Windows 10

Recommended

  • OS: Windows 10

Ratings

Age rating

ESRB M

Violence, Blood, Nudity, Sexual Content, Strong Language, Use of Drugs

About ESRB ratings

Steam Deck & Linux

ProtonDB: Early reports: Platinum (7 reports) See reports

Comments

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Game data © Valve Corporation, from Steam · ProtonDB community ratings · Game data by IGDB.com