Is there no physical version of 1.5+2.5 for Xbox? Xbox Store lists the full assortment of KH games, including 1.5+2.5, but Amazon and Walmart don't have any listings for physical copies :
Kingdom Hearts III Re Mind + Concert Video Xbox One [Digital] 72392 - Best Buy
Buy KINGDOM HEARTS - HD 1.5+2.5 ReMIX - | Xbox
Kingdom Hearts 1 & 2 coming to Xbox One | Shacknews
Kingdom Hearts HD 2.5 Remix - Wikipedia
KINGDOM HEARTS III - Xbox One [Digital] - Walmart.com
Kingdom Hearts 3' Is A Technical Disappointment On The Xbox One And PS4 Consoles
X019: Classic Games in Kingdom Hearts Saga Come to Xbox One - Xbox Wire
Previous Kingdom Hearts games now available on Xbox One | VG247
Amazon.com: Kingdom Hearts (Renewed) : Video Games
Kingdom Hearts II | SQUARE ENIX Store
Kingdom Hearts 2 Final Mix - Xbox HUD Mod! - YouTube
Kingdom Hearts HD 2.8 Final Chapter Prologue - PlayStation 4 | PlayStation 4 | GameStop
Kingdom Hearts 358/2 Days Nintendo DS Game For Sale | DKOldies
Kingdom Hearts HD 1.5 + 2.5 ReMIX Review · ARPG classics come to Xbox One
Amazon.com: Kingdom Hearts 3 Deluxe Edition (Xbox One) : Video Games
Kingdom Hearts 2.5 Remix HD Xbox 360 by ComedyYesHorrorNo on DeviantArt
Kingdom Hearts All-In-One Package | SQUARE ENIX Store
Kingdom Hearts Collections Release Digitally For The Xbox One
Kingdom Hearts HD 1.5 + 2.5 ReMix and Kingdom Hearts HD 2.8 Final Chapter Prologue Available Now on Xbox One - Xbox Wire