No mention of other platforms, however, they did say back during Unreal Fest in Shanghai that they'll be looking on releasing Wuthering Waves on PS5 as well at a later date.
Wuthering Waves is a story-rich open-world action RPG with a high degree of freedom. You wake from your slumber as Rover, joined by a vibrant cast of Resonators on a journey to reclaim your lost memories and surmount the Lament. Wuthering Waves is currently under development. Follow us for more...
Much like Steam, Epic Game Store is a DRM that locks your game behind an account. Difference being that Steam is the least worst of all the DRM mechanisms