Cross-Platform C++ 2D/3D game engine
The Open Toolkit library is a fast, low-level C# wrapper for OpenGL
Voxel game engine in C++ with OpenGL
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
3D Procedural Game Engine Using OpenGL
A shield for the Arduino Mega that can back up video game cartridges
A game engine powered by python and panda3d
Solar2D Game Engine main repository (ex Corona SDK)
The flexible game engine
Gideros Release version
Stride (formerly Xenko), a free and open-source cross-platform C# game
Desktop/Android/HTML5/iOS Java game development framework
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
Cocos simplifies game creation and distribution with Cocos Creator
Free game engine for development of desktop, mobile, and web games
3D Game engine with editor
Open-source OpenGL/SDL2 reimplementation of Sid Meier's Alpha Centauri
A multiplatform medieval 3D MMORPG
One framework for creating powerful cross-platform games
3D space trading and combat game
dhewm 3 main repository
Cross-platform 2D and 3D game engine with modular architecture
An unofficial PC port of the Xbox 360 version of Sonic Unleashed
Decompilation of Paper Mario (Nintendo 64)