The flexible game engine
Godot is a powerful cross-platform game engine
Solar2D Game Engine main repository (ex Corona SDK)
Fast and lightweight JavaScript game engine built on WebGL and glTF
Play Fighting Fantasy fan stories on this simple engine
Cross-platform 2D and 3D game engine with modular architecture
Multi-platform 2D and 3D game engine
Cocos simplifies game creation and distribution with Cocos Creator
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Xash3D FWGS engine
A game engine with an emphasis on real-time cutting-edge solutions
Zig game engine & graphics toolkit
An OpenGL RTS game engine written in C
A complete 3-D game development suite written in Java
Open source voxel game engine with support for survival and crafting
Cross-Platform C++ 2D/3D game engine
Unreal Engine Archives Explorer
Game engine supporting many 3D/2D formats and graphic effects
LayaAir is an open-source 2D/3D engine
A game engine powered by python and panda3d
Multi Theft Auto is a game engine
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
Improve your Baduk skills by training with KataGo
An unofficial rules engine for the world's greatest card game
Recreation of the classic Grand Theft Auto III game executable