Kingdom Hearts HD 2.8 Final Chapter Prologue (stylized as Kingdom Hearts HD II.8 Final Chapter Prologue), is an HD remaster compilation of various games from the Kingdom Hearts series developed and published by Square Enix. It is a follow-up to Kingdom Hearts HD 1.5 ReMIX and Kingdom Hearts HD 2.5 ReMIX and includes a remastered version of Kingdom Hearts 3D: Dream Drop Distance entitled Kingdom Hearts Dream Drop Distance HD and a follow up to Kingdom Hearts Birth by Sleep entitled Kingdom Hearts 0.2 Birth by Sleep -A fragmentary passage-, which deals with Aqua's journey through the Realm of Darkness. It also features a collection of HD cutscenes from Kingdom Hearts χ entitled Kingdom Hearts χ Back Cover. It was released in Japan on January 12, 2017 and worldwide on January 24, 2017. It will also be released for Xbox One in 2020.
- Even though this collection was released on PS4 in 2017 before Kingdom Hearts III, it was released on Xbox One the next year after Kingdom Hearts III was released.