Square Enix has posted estimated file sizes for its upcoming Kingdom Hearts digital releases on Nintendo hardware, giving Switch 2 owners an early look at storage requirements ahead of the October 8, 2026 launch.
The announcement followed a Nintendo Direct broadcast that confirmed proper native versions of Kingdom Hearts titles are finally coming to Nintendo platforms, replacing the older cloud-only offerings that have been available on the Switch.
Key file size estimates on the Nintendo eShop and store pages
- Kingdom Hearts Collection [I~III] (Switch 2) — estimated 131GB
- KINGDOM HEARTS - HD 1.5+2.5 ReMIX — estimated 54.2GB (also listed as available on the original Nintendo Switch)
- KINGDOM HEARTS HD 2.8 Final Chapter Prologue — estimated 26.8GB
- KINGDOM HEARTS III + Re Mind (DLC) — estimated 45.2GB
Square Enix cautioned that these are estimated file sizes and may change between now and the October release.
The company is effectively urging players to ensure they have sufficient free storage on their Switch 2 systems ahead of install: in journalistic terms, Square Enix is advising players to free up substantial storage space on Switch 2 consoles to accommodate the full Kingdom Hearts lineup.
Cloud version transition and discounts
Square Enix has discontinued sales of the existing Switch cloud versions, but those purchases remain playable until June 9, 2027.
The publisher has confirmed that players who previously bought the cloud editions on Switch will be eligible for a discount when upgrading to the new digital native versions on the Nintendo eShop.
What this means for Nintendo audiences
The native releases should offer a more consistent experience on Nintendo hardware than the previous cloud streaming options.
Retail and eShop listings provide practical details for players and collectors planning storage upgrades or microSD purchases ahead of October 8, 2026.
Looking ahead, Square Enix also announced plans to bring Kingdom Hearts 4 to the Switch 2, indicating it will arrive on the same day as other platforms.
For Switch owners and Kingdom Hearts fans, the coming months will be focused on preparing storage and taking advantage of upgrade discounts as the new native releases roll out.
The announcement followed a Nintendo Direct broadcast that confirmed proper native versions of Kingdom Hearts titles are finally coming to Nintendo platforms, replacing the older cloud-only offerings that have been available on the Switch.
Key file size estimates on the Nintendo eShop and store pages
- Kingdom Hearts Collection [I~III] (Switch 2) — estimated 131GB
- KINGDOM HEARTS - HD 1.5+2.5 ReMIX — estimated 54.2GB (also listed as available on the original Nintendo Switch)
- KINGDOM HEARTS HD 2.8 Final Chapter Prologue — estimated 26.8GB
- KINGDOM HEARTS III + Re Mind (DLC) — estimated 45.2GB
Square Enix cautioned that these are estimated file sizes and may change between now and the October release.
The company is effectively urging players to ensure they have sufficient free storage on their Switch 2 systems ahead of install: in journalistic terms, Square Enix is advising players to free up substantial storage space on Switch 2 consoles to accommodate the full Kingdom Hearts lineup.
Cloud version transition and discounts
Square Enix has discontinued sales of the existing Switch cloud versions, but those purchases remain playable until June 9, 2027.
The publisher has confirmed that players who previously bought the cloud editions on Switch will be eligible for a discount when upgrading to the new digital native versions on the Nintendo eShop.
What this means for Nintendo audiences
The native releases should offer a more consistent experience on Nintendo hardware than the previous cloud streaming options.
Retail and eShop listings provide practical details for players and collectors planning storage upgrades or microSD purchases ahead of October 8, 2026.
Looking ahead, Square Enix also announced plans to bring Kingdom Hearts 4 to the Switch 2, indicating it will arrive on the same day as other platforms.
For Switch owners and Kingdom Hearts fans, the coming months will be focused on preparing storage and taking advantage of upgrade discounts as the new native releases roll out.