Lost Castle is available for download on the Nintendo Switch via the Nintendo eShop. To update the game or download content related to an NSP file (Nintendo Submission Package), ensure your console is connected to the internet and has the latest system software installed. Availability and Purchasing Lost Castle
| Version | Release Date | Key Features | | :--- | :--- | :--- | | v1.0.0 (Launch) | Sept 2019 | Base game, unstable 30fps. | | v1.0.3 | March 2020 | Fixed black screen on startup. | | v1.0.4 | Dec 2020 | Added "Insane" difficulty mode. | | v2.0.0 (Major) | Oct 2022 | "Treasure Hunter" update – new items, balance changes, 60fps mode (handheld). | lost castle switch nsp update eshop
The eShop version quickly gained a following, praised for its co-op mode (up to 4 players locally) and its "one more run" loop. However, as with many indie titles on Switch, the conversation soon turned to updates and performance patches. Lost Castle is available for download on the
Clunky Mechanics: You cannot cancel animations or dodge mid-attack, which can lead to frustrating, unavoidable deaths. 🛒 Purchase & Update Info An Overlooked Gem - Lost Castle (Switch Review) | | v1
| Problem | Solution | |--------|----------| | Game won’t start after update | Archive software (Data Management > Archive), then redownload from eShop. | | Co-op disconnects | Both players must be on the same update version. Reboot Switch. | | Save data corrupted | Restore from cloud save (NSO required) or delete local save & sync. | | “Unable to connect to eShop” for update | Check for system firmware updates (Settings > System > System Update). |
