It also includes a collection of cutscenes from Kingdom Hearts 358/2 Days up-scaled in full HD within the compilation's Theater Mode. It includes full HD remasters of Kingdom Hearts Final Mix and Kingdom Hearts: Re:Chain of Memories with added PlayStation 3 Trophy support.

The demo allows the game to be played twice for ten minutes.Kingdom Hearts HD I.5 ReMIX ( pronounced & read as 1.5 Remix) is an HD remaster compilation of the Kingdom Hearts series, made in celebration of the series's tenth anniversary.

Demos for it and the other two cloud titles were made available shortly thereafter. On January 18, 2022, Square Enix announced that Kingdom Hearts HD 1.5 + 2.5 ReMIX Cloud Version would release on Februon the Nintendo Switch. A complete compilation of the series on the Nintendo Switch titled Kingdom Hearts Integrum Masterpiece, comprising of Kingdom Hearts HD 1.5 + 2.5 ReMIX Cloud Version, Kingdom Hearts HD 2.8 Final Chapter Prologue Cloud Version, and Kingdom Hearts III + Re Mind (DLC) Cloud Version would also be available for purchase. Rather than native ports, the series would be releasing as cloud-based versions. Sakurai Presents' online presentation where Sora had been announced as the final fighter in Super Smash Bros. Square Enix announced that Kingdom Hearts HD 1.5 + 2.5 ReMIX Cloud Version and the rest of the series would be arriving on the Nintendo Switch on October 5, 2021, as part of the final 'Mr. He said that the company had attempted to port the games previously, but it had proven to be technologically difficult. Before the release of Melody of Memory, series director Tetsuya Nomura explained that there were no plans at the time to port the series to the platform. Questions about the release of the Kingdom Hearts on the Nintendo Switch began after the release of Kingdom Hearts Melody of Memory, which was the first title to be released on the Nintendo Switch.

A new Game Settings menu can be accessed by pressing.

The logo animation and game select screen has the logo replaced.

The splash screen requires button input before proceeding to the compilation's logo animation and the game select screen.

A splash screen with the logo and Kingdom Hearts HD 1.5 + 2.5 ReMIX cover art now precedes the logo animation.

A logo for Ubitus now appears immediately upon launching the game.

Kingdom hearts hd 1.5 remix mythril