Checkpoint64 vs GSM

Checkpoint64 backs up PC game save folders to the cloud and lets users browse and restore earlier versions. It checks folders every 60 seconds and uploads changed files after a game finishes writing, with each upload recorded as a version. It supports games from Steam, GOG, and Epic, along with emulators and modded setups; presets cover more than 140 games and seven emulators. For shared saves, a lock limits uploads to its holder. Locks expire, and a teammate taking over gets a warning and a logbook entry. Linking Discord can notify teammates when someone manually commits or restores a shared save. The app is listed for Windows 10 and 11, macOS on Apple Silicon, and Linux; Steam lists Steam Deck support. The free plan includes 20 MiB of cloud storage per space and does not expire. Pro costs €5 a month, while Lifetime costs €10, paid once. Save files are encrypted in transit and at rest, but the service is not end-to-end encrypted or zero-knowledge.

GSM is free, open-source software for versioned game-save backups on Linux and Windows. It uploads backup sets to cloud storage, synchronizes the library between machines, and restores saves when needed. Ludusavi provides automatic game-save detection, while manual backup is available for games that are not detected. Rclone handles cloud uploads, and GSM creates SHA256 integrity files for each backup. Retention can be configured separately for each game. Restore choices include the newest backup, every stored backup, or the newest backup for one selected game. The project is designed for a shared Linux and Windows library without one system corrupting or deleting the other side's data. Linux distributions include graphical and text interfaces plus AppImage support. Windows offers a graphical build and a single-file EXE. GSM uses Rclone's copy command for cloud operations. The repository uses the MIT License, and its releases page lists “GSM - Definitive edition.”