Ludusavi is a tool for backing up your PC video game save data, written in Rust. It is cross-platform and supports multiple game stores.

Features:

• Ability to back up data from more than 19,000 games plus your own custom entries.
• Backup and restore for Steam as well as other game libraries.
• Preview of the backup/restore before actually performing it.
• Both a graphical interface and command line interface for scripting. (NOTE: CLI is named "com.github.mtkennerly.ludusavi" for Flatpak)
• Tab completion is available for Bash, Fish, Zsh, PowerShell, and Elvish.
• Support for saves that are stored as files and in the Windows registry, Proton saves with Steam, and Steam screenshots.