Every chapter of the Great Ninja War is playable.

A window will pop up showing a folder (usually named 010043D008D64000 or similar). 📥 How to Install 100% Save Data

This isn't a save issue, but a common Storm 3 quirk. Go to and ensure your controller is set as "Pro Controller." 🔗 Where to Find Save Files You can find legitimate save files on community hubs like: GBATemp: Search for Switch save repositories.