Voxel game-creation platform with easy modding and game creation
Xash3D FWGS engine
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
The game engine for everyone
Powerful, mature open-source cross-platform game engine for Python
Open-source engine for Heroes of Might and Magic III
A pure Go game engine
Cocos simplifies game creation and distribution with Cocos Creator
Solar2D Game Engine main repository (ex Corona SDK)
New Godot bindings for Swift
Multi-platform 2D and 3D game engine
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
A completely free, open-source, 2D game engine
Open source library for creative expression on the web, desktop, etc.
Orx: Data-Driven Game Engine
GemRB is a portable open-source implementation of the Infinity Engine
Tools and Z80 engine for creating adventure games. (RUST)
Motor de juegos de aventura programable
Urho3D Game engine
A cross-platform, open-source, pure C game engine for mobile game
Open source reimplementation of GTA San Andreas game engine in Unity
Opensource crossplatform Fallout 2 game engine writen in C++ and SDL
Go 3D Game Engine
2D Game Engine
Cross-platform 2D and 3D game engine