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The Expanse: Osiris Reborn

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The Expanse: Osiris Reborn is a third-person action RPG video game being developed by Owlcat Games.[1] The game spans from Season 1 to the first half of season 3 of the television series or from book 1, Leviathan Wakes, to the end of book 2, Caliban's War, of the book series. The game will be available on PC, Xbox Series X|S, and Playstation 5. No release date has been announced.

Description[]

Introduction[]

It begins where the tenuous balance of power between Earth, Mars, and the Belt is on the brink of collapse, and trust is a scarce commodity. Now it is time to gather a crew and find your own path through the web of lies to leave your mark on the solar system. 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.

Characters[]

Your crew is more than just backup — they’re the heart of your story. Each companion brings with them their own personal history and motives for joining the mission, though not all are easy to uncover. They’re more than just specialists. Some are haunted by past mistakes. Others hold on dearly to loyalty, survival, or even something they’ve never been capable of fully putting into words. The ship becomes your shared home — it’s not just a command center but a place where the crew can bond and where trust is earned. A single shared silence might become the foundation for a much deeper connection. A single decision could overturn it all. The way you lead your crew and the choices you make under pressure will shape every relationship in ways you don’t always see coming.

Combat[]

Combat in The Expanse: Osiris Reborn is tactical and built around smart decision-making under pressure, where every move has the potential to shift the balance of a fight. Control your captain in third-person, and gain the upper hand by making use of a variety of weapons, tactics (cover, command, etc.), and specialized abilities. The game features multiple roles, each offering a distinct approach that reflects your personal playstyle. Two companions will fight alongside you, supporting whatever strategy you choose with complementary skills. Others will assist from a distance, hacking into systems or drawing enemies’ attention right when you need it most. You will issue commands in real time and coordinate with your squad to stay one step ahead as the battlefield evolves. Survival depends on how quickly you can adapt and who you trust to stand with you when your back is to the wall.

Exploration[]

The Expanse: Osiris Reborn opens into a narrative-driven world where shifting power dynamics and personal choices will define your experience. You’ll visit the marvel that is the gardens of Ganymede, the teeming slums of Ceres, whole bunker complexes veiled in vastness of the Asteroid Belt, and the imperious political bastions of Mars and Luna. As you travel throughout the solar system, you will be ensnared in a cyclone of power struggles and unresolved conflict. The system looks different from every planet and from every asteroid. Some are falling apart. Others just hide it better. Talk to the locals and use your skills to influence the outcomes, sometimes by digging into secrets some may wish remained buried. You may even cross paths with those who have already made their indelible mark on this universe. What you learn and how you act upon it can open new paths and slowly and subtly change your place in the world around you.

Development[]

Osiris Reborn takes inspiration from Mass Effect. Many members of the development team played the game when they were young, and it "left a lasting impression."[2]

Media[]

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Videos[]

Reactions & reception[]

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References[]

  1. ↑ GEMATSU - Owlcat Games announces third-person action RPG The Expanse: Osiris Reborn for PS5, Xbox Series, and PC by Sal Romano June 09 2025 / 10:12 PM EST
  2. ↑ i09 - ‘The Expanse’ Does a ‘Mass Effect’ With New Game ‘Osiris Reborn’ by Justin Carter June 10 2025 / 07:38AM EST

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