“D3Publisher Inc is excited to share that “EARTH DEFENSE FORCE 6″ is now available on PlayStation®4, PlayStation®5, and PC via Steam for an MSRP of $59.99/£49.99/59,99 for the Standard Edition ($89.99/£73.99/89,99) for the PS Deluxe Edition with a 10% launch discount).” – D3Publisher Inc.
Source: N4G PC "Earth Defense Force 6" is now available for PC and Playstation in EU and the US