Storage Manager

This page lets you export your Fusion Simulator data as an encrypted backup file and import it on another device. It is useful when switching from PC to mobile — or anytime you want a portable copy of your progress.

1. Click IMPORT to open the file picker.
2. Select a .data file from your device.
3. The file is verified and decrypted automatically.
4. Review the list of discovered keys and check the ones you want to restore.
5. Click Import to write the selected data to storage.

Imported data is also backed up to the Backup Database automatically, so it survives browser storage pressure.

The main download includes your actual app data — progress, groups, card collections, settings, and everything else you have saved. It skips temporary backup copies and session-related data so you only transfer what matters.

Failed backup entries are old copies of data that were automatically saved when something went wrong with the original value. They cannot be recovered automatically by the app.

If you need help recovering data from a failed backup, please send us the failed backup file so it can be verified and restored manually.

Click DOWNLOAD to create a fusion-simulator-storage.data file containing your storage data. The file is encrypted with an integrity check, so if it gets tampered with, the import will detect it and refuse to load it.

You can also download failed backup items separately with the DOWNLOAD FAILED BACKUP button. These are entries that failed validation and could not be restored automatically by the app.