All physical copies will contain a disc or cartridge, but only the Nintendo Switch release has the poem notebook inner coversheet. The physical copies are included in the DDLC Plus Premium Physical Edition's box, which itself includes various merchandise along with the physical copy for the platform of the buyer's choosing. However, there are no plans for a physical copy on Xbox One or Xbox Series. The physical edition of the game released on September 21, 2021, for the Nintendo Switch, PlayStation 4, and PlayStation 5. Other PC platforms are to be determined, including if DDLC Plus will support Linux like DDLC does. A Macintosh version released on August 12, 2021.
The game was released digitally on June 30, 2021, for Windows via Steam and Epic Games and for the Nintendo Switch, PlayStation 4, PlayStation 5, Xbox One, and Xbox Series.