What are some alternatives?
When comparing MASGAU and Game Backup Monitor, you can also consider the following products
Open Game Panel - OGP is a game server control panel.
GameSave Manager - Ever had to format your system?
SaveGame Backup Manager - The target of the project is backing-up full savegame settings including registry keys.
CSGO Server Launcher - A simple bash script to create and launch your Counter-Strike Global Offensive Dedicated Server
Steam Mover - Do you have a super-fast SSD that is too small to hold all your steam games at the same time? Then try Steam Mover.
Bright Game Panel - Bright Game Panel is a free and open source game server control panel.