Real Time Strategy game engine supporting early Westwood classics
GemRB is a portable open-source implementation of the Infinity Engine
Open-source full-stack web development framework built on top of React
3D game engine/framework in C, with Luajit and Python bindings now
lua dev plugin for unreal engine 4 or 5
Compiler from Go to JavaScript for running Go code in a browser
Action RPG that's easy to mod
Game engine supporting many 3D/2D formats and graphic effects
A companion for your LOTRO activities
A free transportation simulator game
A modern, cross-platform Quake game engine based on FitzQuake.
Good-looking and addictive OpenSource games
Orx: Portable Game Engine
Arianne is an engine to develop multiplayer online games like Stendhal
Odamex is a free, cross-platform, modern client-server Doom engine
A cross-platform port of Hexen II game.
inputbox password WIN OSX GTK QT Console VCPKG C# Lua R Fortran Pascal
An open-source Phantasy Star Online server for *nix