Browse free open source Games and projects for Windows below. Use the toggles on the left to filter open source Games by OS, license, language, programming language, and project status.
A planetarium software that shows a 3D simulation of the night sky
0 A.D. is a free, open-source, cross-platform real-time strategy game.
Colonize the New World.
OpenKore is an automation tool for Ragnarok Online
EE Keeper is a saved game editor for Baldur's Gate Enhanced Edition.
Real-time 3D visualization of space
Accurate NES / Famicom emulation, experimental GBA (Beta) support.
Create your own Angry Birds levels with Open-Level Editor!
A free Chess program for Windows with a large set of features
A macro runner for HELLDIVERS™ 2
Lucifer: The Ultimate Dev-Ecosystem
PyCAPGE - Python Classic Adventure Point and Click Game Engine
LGSL (Live Game for PHP 5.4-8+: online status for various gameservers
An OpenSource (C# .NET) TeamPlay Environment.
BDEF, WIE, MInfantry AI opponent
LSJ-Server-Terra (Java Multipurpose Sever connected with MariaDB)
A small chinese game written in java
HTLS is an Hattrick live match viewer, based on the old Livefox.
Entertaining and interactive game of solving 50+ puzzle pieces