Open source library for N64 development
Real Time Strategy game engine supporting early Westwood classics
Fast and lightweight JavaScript game engine built on WebGL and glTF
Open source library for creative expression on the web, desktop, etc.
Desktop/Android/HTML5/iOS Java game development framework
One framework for creating powerful cross-platform games
Gideros Release version
Game engine supporting many 3D/2D formats and graphic effects
SDL based generic 2D game engine
Old-school 2D game engine
Orx: Portable Game Engine
PyCAPGE - Python Classic Adventure Point and Click Game Engine
Vivid3D is an open-source 3D engine with powerful 2D UI.
2D Game Engine
Modern 3D engine and IDE written using C# and C++.
A cross platform Lua based game engine
Cross-platform 2D and 3D game engine
Free and Open Game Programming Language for Windows and GNU/Linux
Example code for creating a 2D platform game in Java.
2D ARPG Engine
Open-source, cross-platform, C++ game engine for creating 2D/3D games