Solar2D Game Engine main repository (ex Corona SDK)
Godot is a powerful cross-platform game engine
Open source voxel game engine with support for survival and crafting
The game engine for everyone
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
KorGE Game Engine. Multiplatform Kotlin Game Engine & Korlibs
A cross-platform, open-source, pure C game engine for mobile game
Open-source engine for Heroes of Might and Magic III
New Godot bindings for Swift
Kotlin extensions for the libGDX game framework
Urho3D Game engine
Embeddable unity game engine view for Flutter
Engo is an open-source 2D game engine written in Go
Open source reimplementation of GTA San Andreas game engine in Unity
GemRB is a portable open-source implementation of the Infinity Engine
Game engine to build text adventures.
Game engine supporting many 3D/2D formats and graphic effects
Orx: Portable Game Engine
Cross-platform 2D game engine (+ full OpenGL, +full OpenGL ES )
Open source reimplementation of GTA San Andreas game engine in Unity
2D Game Engine
A cross-platform 2D game engine
Cross-platform 2D and 3D game engine
Android OpenGL Game Engine
Free and Open Game Programming Language for Windows and GNU/Linux