The flexible game engine
Solar2D Game Engine main repository (ex Corona SDK)
Godot is a powerful cross-platform game engine
Fast and lightweight JavaScript game engine built on WebGL and glTF
Cocos simplifies game creation and distribution with Cocos Creator
Cross-platform 2D and 3D game engine with modular architecture
Cross-Platform C++ 2D/3D game engine
Multi-platform 2D and 3D game engine
Flax Engine, multi-platform 3D game engine
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
An OpenGL RTS game engine written in C
Simple and light-weight 3D game engine
A game engine with an emphasis on real-time cutting-edge solutions
Injectable LUA scripting system, SDK generator, live property editor
Xash3D FWGS engine
Zig game engine & graphics toolkit
Game engine supporting many 3D/2D formats and graphic effects
A complete 3-D game development suite written in Java
Open source voxel game engine with support for survival and crafting
Unreal Engine Archives Explorer
3D Engine with Blender Integration
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
A game engine powered by python and panda3d
LayaAir is an open-source 2D/3D engine
Recreation of the classic Grand Theft Auto III game executable