Rune Factory 3 Special -010081c0191d8000--v0--u...

The central part of your string is 010081C0191D8000. This is a Title ID — a unique 16-character hexadecimal identifier assigned to every game, update, DLC, or application on the Nintendo Switch.

Create folder:
/atmosphere/contents/010081C0191D8000/romfs/
Place mod files (e.g., Data/, System/) inside romfs. Mod examples include:

Copy the edited save0.dat back to the SD card, overwriting the original.
Re-insert the SD into Switch, launch JKSV, select the save folder, and press Y to restore. Rune Factory 3 Special -010081C0191D8000--v0--U...

Important: Version mismatch warning – if your game updated to v1.1.0 but your save was edited as v0, the game may fail to load. Always ensure game version matches the edit profile.

The Switch version (010081C0191D8000) is a remaster, and it shows. The game features newly redrawn character portraits and 3D models that look crisp on the Switch screen. The central part of your string is 010081C0191D8000

However, it is worth noting that the graphical style is still very much a remaster of a DS game. The environments can feel a bit flat, and the textures are simple. If you are looking for hyper-realistic graphics, this isn't it. But if you appreciate the charm of the 3DS era visuals, you will feel right at home.

Thus, your search string is almost certainly a partial filename from a Switch save backup or mod file listing. The Switch version ( 010081C0191D8000 ) is a

If you arrived here because you want to do something with that Title ID, follow these steps.