The flexible game engine
Solar2D Game Engine main repository (ex Corona SDK)
Flax Engine, multi-platform 3D game engine
Cocos simplifies game creation and distribution with Cocos Creator
Cross-Platform C++ 2D/3D game engine
Cross-platform 2D and 3D game engine with modular architecture
Multi-platform 2D and 3D game engine
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
A game engine with an emphasis on real-time cutting-edge solutions
An OpenGL RTS game engine written in C
Simple and light-weight 3D game engine
Xash3D FWGS engine
Unreal Engine Archives Explorer
Open-source engine for Heroes of Might and Magic III
An Advanced Launcher for miHoYo/HoYoverse Games
Multi Theft Auto is a game engine
N64 Game-Engine and Editor using libdragon & tiny3d
Custom launcher for Minecraft to easily manage installations
A pure Go game engine
Descent 3 by Outrage Entertainment
Powerful, mature open-source cross-platform game engine for Python
GemRB is a portable open-source implementation of the Infinity Engine
Cross-platform 2D game engine focused on ultimate productivity
Universal Triggerbot All Games Download
fheroes2 is a recreation of Heroes of Might and Magic II game engine