.MDDBS File Extension
What is an MDDBS file?
Database used by Manic Digger, a 3D block-building game similar to Minecraft; contains saved game progress in the SQLite3 format, which includes the world built by the user; loaded by the game in order to continue a saved game.
The MDDBS file is located inside the "Saves" folder, which is inside the "UserData" folder of the game directory. The file should be backed up regularly due to the corruption that can occur from crashes and hackers.
Common MDDBS Filenames
default.mddbs - Name given to the file that contains a user's saved game progress.