New Mass Effect-style science fiction action RPG doesn't take realism lightly. The Expanse: Osiris Reborn will „bring the cosmos to life”

The developers of The Expanse: Osiris Reborn have released a video addressing the realism of their game. Although we will not be dealing with a simulation, the creators pay attention to detail.

Christian Pieniazek

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New Mass Effect-style science fiction action RPG doesn't take realism lightly. The Expanse: Osiris Reborn will „bring the cosmos to life”, image source: Owlcat Games.
New Mass Effect-style science fiction action RPG doesn't take realism lightly. The Expanse: Osiris Reborn will „bring the cosmos to life” Source: Owlcat Games.

The studio Owlcat Games is slowly revealing details about The Expanse: Osiris Reborn, an action RPG announced in June 2025 that brings to mind the Mass Effect series, set in the world known from the TV series The Expanse (which is an adaptation of the novel series of the same name). A developer diary has been released, discussing topics related to the realism of their project.

The Expanse: Osiris Reborn will be a science fiction work, and although it won't be a simulation, it will be somewhat more "grounded" than, for instance, the adventures of Shepard and company. To get a feel for what life in space is like, the devs teamed up with some former NASA astronauts and a commander from the International Space Station.

The realism of the described title will manifest on many levels. This mainly pertains to the matter of ballistics and the recoil of firearms when fired, along with the noise they produce. That last one doesn't just disappear into thin air; you can still feel the vibrations from the shots or explosions. In the game, this will be presented as a heavily muffled sound of "guns," drowned out, among other things, by... the breath of our character. Moreover, in zero gravity, protagonists will use distinctive magnetic boots, which in this universe replace the ropes commonly used by astronauts.

Realism should also cover the more everyday stuff. For example, astronauts in space eventually start to miss intense flavors and spices. For this reason, characters in the game will sometimes talk about their favorite meals or ingredients.

At the time of writing, The Expanse: Osiris Reborn doesn't yet have a set release date. The game is coming to PC, PlayStation 5, and Xbox Series X/S.

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Christian Pieniazek

Author: Christian Pieniazek

Started working with Gamepressure.com in August 2016. Although the Game Encyclopedia has been his pride and joy from the beginning, he also writes for the Newsroom and the Editorial section. Gained professional experience through a now-defunct service, in which he worked for almost three years. Graduated in Cultural Studies at the AGH University of Krakow. Runs his own business, jogs, cycles, loves mountain hiking, is a fan of nu metal, is interested in space, and of course, enjoys playing games. Feels best in action games with an open world and RPGs, although won't turn down good racing or shooting games.

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