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Osiris Reborn: Fusing Mass Effect with The Expanse

by Ellie Jan 06,2026

The Expanse: Osiris Reborn bears such a striking resemblance to Mass Effect that fans are dubbing it "Mass Effect: The Expanse." The debut trailer and gameplay details make this comparison undeniable. Owlcat Games openly acknowledges their creative influences while emphasizing their game's unique identity.

In an IGN interview, creative director Alexander Mishulin and publishing head Andrey Tsvetkov directly address Mass Effect's impact on Osiris Reborn, but stress their project offers more than just imitation.

For devotees of The Expanse TV series, Osiris Reborn delivers thrilling new content featuring returning actors from the acclaimed Prime Video show. While Owlcat remains tight-lipped about specific cast members, the confirmation of familiar voices will delight fans still mourning the series' 2022 conclusion.

Personally, Osiris Reborn hits all the right notes - combining Mass Effect's legacy with The Expanse's universe, developed by the studio behind Warhammer 40,000: Rogue Trader (arguably one of the finest cRPGs and Warhammer games in recent memory). Does this create the perfect fusion of three beloved sci-fi franchises? Keep reading to discover how deeply Mass Effect's DNA runs through The Expanse: Osiris Reborn.