The Expanse: Osiris Reborn could be the Mass Effect successor we've all been waiting for (preview)By otako_fzbgs4 / August 22, 2025 The Expanse: Osiris Reborn looks set to be the next big RPG, and a major breakout moment for developer Owlcat Games. Related posts: Catch solar bursts in new citizen science project Sped-up simulation of Hera’s Mars flyby Hera asteroid mission’s Mars flyby Watch live: Images from Hera’s Mars flyby