Gameston is a software which made to help you with your PC gamesaves. Gameston knows most of the save's path built-in, with a regularly updated Games Database.
Gameston allows you to backup your gamesaves manually (or automatically, if you want), Gameston also allows you to restore your gamesaves to their original path, and to transfer them to other PCs (And that option will make you able to play with your game progress in other PCs).
Backups, Restores and transfers gamesaves to other PCs
Huge list of games
Regularly updated Games Database
An option to add a customized gamesave