Desktop/Android/HTML5/iOS Java game development framework
lua dev plugin for unreal engine 4 or 5
Orx: Data-Driven Game Engine
2D Game Engine
A cross platform Lua based game engine
Cross-platform 2D and 3D game engine
Build Cross-platform Applications
C/C++ , PHP, PYTHON, 3D ENGINES, CHROME NATIVE CLIENT
Open-source, cross-platform, C++ game engine for creating 2D/3D games
Cross platform 2D/3D game engine written in C++11 & OpenGL ES 2/3
Cross platform Game Creation Software
A mobile tower 3D tower defense/defend the flag game
It's a game based on a puzzle survive sistem.
NinYawg Adventure
cross-platform 2d game engine
A cross-platform OpenGL based lightweight scenegraph library
Cross-platform 2D game engine
Delphi-like IDE for cross-platform game development