Lutris

Lutris is currently available via the Solus repository, as the lutris package.

About Lutris

Lutris is an open gaming platform for Linux. It helps you install and manage your games in a unified interface. Their goal is to support every game which runs on Linux, from native to Windows games (via Wine) to emulators and browser games. The desktop application and the website are libre software, contributions are welcome!

For more information you can visit their website at lutris.net. You can also see their list of games here.