Cocos simplifies game creation and distribution with Cocos Creator
Desktop/Android/HTML5/iOS Java game development framework
Cross-platform game engine in Rust
Open source library for creative expression on the web, desktop, etc.
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Action-adventure game originally released in 2013
Domination is a game that is a bit like the board game Risk
A simple free travian bot
Children's learning programming language Karel the Robot in 3D
Open-DIS implements the IEEE DIS protocol in multiple languages.
The Atomic Game Engine is a multi-platform 2D and 3D engine
Open-source, cross-platform, C++ game engine for creating 2D/3D games
Mobile viewer for Kendo Tournament Manager tool.
Cross platform 2D/3D game engine written in C++11 & OpenGL ES 2/3
2D physics engine for games