Yes. The steps to save survival materials in Mini World are:

1. Every map in Mini World is automatically archived, but sometimes it cannot be restored due to wrong clicks. In this case, the help of backup archive is needed.

2. Select a mini-world that needs to be backed up and click the "gear" icon on the right side of the file.

3. Select the first "folder" icon to enter the "Archive Backup and Restore" system.

4. Click "Backup".

5. Finally click "OK".