If you have save data from the "original" Chapter 1 demo and the "new" Chapter 1+2 version, the game may crash or fail to import. Delete save data for the version you are currently playing in System Settings > Data Management > Delete Save Data to clear the conflict. Import Prompt:
: Addressed various crashes and softlocks on both original Nintendo Switch and the newer Switch 2 hardware. deltarune chapter 1 2 switch nsp update work
The Deltarune Chapter 1 & 2 Switch NSP update received positive reviews from critics and players alike. Reviewers praised the game's: If you have save data from the "original"
You see the Chapter 1 save screen, but Chapter 2 is greyed out or says "Coming Soon." The Deltarune Chapter 1 & 2 Switch NSP
A critical function of the update is the ability to carry over your choices from the first chapter. Players can load completion data from Chapter 1 even if the original save file was deleted, provided they saw the credits.
A critical aspect of the update's functionality was ensuring that save.dat files created in Chapter 1 were correctly recognized by the Chapter 1 & 2 executable. This required the update to maintain the same unique user ID association and file pathing structure, despite the internal game code changing to support a chapter select screen.