The Best Open-source Games for Linux

shapez.io is a game about building factories to automate the creation and processing of increasingly complex shapes across an infinitely expanding map.

RetroArch is an open source and cross platform frontend/framework for emulators, game engines, video games, media players and other applications

Free and open source online backgammon.

A free open-source circle-clicking rhythm game practice client for osu! beatmaps with Virtual Reality support. McOsu is developed separately from and has no direct affiliation with osu! or ppy Pty Ltd.