A game engine powered by python and panda3d
A retro game engine for Python
Godot is a powerful cross-platform game engine
Multi Theft Auto is a game engine
The Ren'Py Visual Novel Engine
Xash3D FWGS engine
The game engine for everyone
Voxel game-creation platform with easy modding and game creation
A complete 3-D game development suite written in Java
Real Time Strategy game engine supporting early Westwood classics
Open source voxel game engine with support for survival and crafting
fheroes2 is a recreation of Heroes of Might and Magic II game engine
Open source clone of the Age of Empires II engine
Open-source engine for Heroes of Might and Magic III
Cocos simplifies game creation and distribution with Cocos Creator
Solar2D Game Engine main repository (ex Corona SDK)
Powerful, mature open-source cross-platform game engine for Python
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Voxel game engine in C++ with OpenGL
The flexible game engine
Descent 3 by Outrage Entertainment
dhewm 3 main repository
A modular Common Lisp game engine
Free game engine for development of desktop, mobile, and web games
Magic Another Game Engine