Ice IX: Monster NOX can be played on PS5 in Japan in 4K with the version 1.07 update. The update also fixes several bugs. It is one of many recent releases to get similar updates, such as The days are gone. A worldwide release is not yet dated.
Version 1.07 lets players see Ice IX: Monster NOX and 4k. The site does not display all the bugs that the update fixes. However, the one error listed is the one where messages are not loaded even after pressing the confirmation button.
All PlayStation 4 Nihon Falcom titles are available on PlayStation 5. If you also purchased DLC or got bonus content on the PS4 version, you can also move the data to your PS5 storage file. The official Nihon Falcom website instructs players to open the contents of the game content after pressing the radio button from the game icon on the PS5 home screen. The screen should show all uninstalled additional content. If you do not see anything from the menu, it is already in the game or you have the wrong PSN account.
Ice IX: Monster NOX is part of Nihon Falcoms Ys the series and it was released worldwide in February 2021
Ice IX: Monster NOX is available on PS4, PS5, Windows PC, Nintendo Switch and Stadia.