The Best Open-source Games for PC Windows

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

This is a first-person VR campus simulator where you can roam around the campus at night and cause some chaos.

Free and open source online backgammon.

Three Kingdoms of China is a free, open-source single-machine strategy three-country game developed by the domestic folk team. The game does not have any commercial nature, hoping to create a dream of Three Kingdoms for the fans of the three kingdoms.

Moonlight is a short game, about a little character named Kinubo and his quest to the moon! Kinubo finds himself in a new village while looking for help on his quest, but most don't accept his presence. The characters here are a very tight bunch, and they don't take kindly to strangers! You must earn their acceptance, and the only way you'll ever make it to the moon, is to win them over one by one!

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.