Hello Kitty Island Adventure -nsp--update 1.10.... May 2026

For those unfamiliar: NSP (Nintendo Submission Package) is the native digital format for Switch games, typically used for downloads from the eShop. In the context of this blog post, “Hello Kitty Island Adventure - NSP” refers to the base game file used by players with custom firmware (CFW) or emulators. Update 1.10 would then be installed as a separate patch file to bring the game to its latest version.

Disclaimer: This post is for informational purposes about game version content. Always support developers by purchasing official copies when possible.

For legitimate Switch owners: Simply connect to the eShop, update the game to 1.10, and enjoy. No further steps. Hello Kitty Island Adventure -NSP--Update 1.10....

For NSP users (backup or homebrew purposes):
You will need:

Warning: Online features (multiplayer, event leaderboards) require a valid Nintendo account and may not work on banned consoles. However, local co-op and single-player remain fully functional. For those unfamiliar: NSP (Nintendo Submission Package) is

Previously, the skies above Mount Hothead were just scenery. With Update 1.10, you can now repair a hot air balloon (using 50 Rubber and 100 Spark) to reach The Cloud Factory.

For the uninitiated, NSP (Nintendo Submission Package) is the native digital file format for Switch games. Unlike XCI (cartridge dumps), an NSP behaves exactly like a game downloaded directly from the eShop. Disclaimer: This post is for informational purposes about

The Update 1.10 NSP is a delta patch, meaning it overwrites specific code rather than replacing the entire 6GB base game. However, don't let the small file size fool you. This update adds approximately 1.2GB of new assets to your microSD card, including high-resolution textures for new clothing lines and three new island music tracks.

Critical Note: To run Update 1.10, you must have the base Hello Kitty Island Adventure NSP (v1.0) installed. This patch requires firmware 18.0.0 or higher and the latest SigPatches for custom firmware users.

The Update 1.10 patch (approximately 850 MB) is where the experience truly matures. Whether you’re playing via official eShop or NSP, this update addresses many launch-day shortcomings and adds substantial content.

Chococat gets a full workshop area where players can finally combine rare materials to create gadgets (e.g., a snorkel for deep-sea diving, a magnet glove for collecting items from a distance). This turns exploration from passive to puzzle-driven.