Lutris - Open Gaming Platform for Linux

Lutris helps you install and play video games from all eras and from most gaming systems. By leveraging and combining existing emulators, engine re-implementations and compatibility layers, it gives you a central interface to launch all your games.

The client can connect with existing services like Humble Bundle, GOG and Steam to make your game libraries easily available. Game downloads and installations are automated and can be modified through user made scripts. Game downloads and installations are automated and can be modified through user made scripts.