Aleph One Marathon Trilogy: 3 Awesome Free FPS Games for Linux

30 free and open source Linux games - part 1 - The GitHub Blog

5 open source role-playing games for Linux

24 Addictive Free Linux Games (Part 1 of 3) - LinuxLinks

Arm-long list of free games for linux that don't suck. –

Dead Maze, the free to play cooperative MMO has officially launched with Linux support

Battle Royale game 'The Culling' goes free to play, a Linux version is available but it has issues (updated)

The 10 Best Free Linux Games - Linux Tutorials - Learn Linux Configuration

Five best non-free Linux games of 2010

14 Open Source Free First-Person Shooter FPS Games for Linux, Windows, and macOS

10 is the magic number - of Linux gaming compilations