The ending credits feature scenes from Kingdom Hearts 3D: Dream Drop Distance and the E3 2013 announcement trailer for Kingdom Hearts III, teasing Kingdom Hearts HD 2.8 Final Chapter Prologue. The release of Kingdom Hearts HD 2.5 ReMIX marks the first time Kingdom Hearts II Final Mix and Kingdom Hearts Birth by Sleep Final Mix have been available outside of Japan.
It also features Kingdom Hearts Re:coded remade as a movie of HD cutscenes. It is a follow-up to Kingdom Hearts HD 1.5 ReMIX and includes remastered versions of Kingdom Hearts II Final Mix and Kingdom Hearts Birth by Sleep Final Mix.
Kingdom Hearts HD 2.5 ReMIX, stylized as Kingdom Hearts HD II.5 ReMIX, is a compilation of various games from the Kingdom Hearts series that have been fully remastered in HD.