Engo is an open-source 2D game engine written in Go
KotCity, an open source city simulator
A cross-platform 2D game engine
The Atomic Game Engine is a multi-platform 2D and 3D engine
Realtime 3D engine for game development
online 4X browser game engine
3D .NET engine for Windows, Linux, Mac
Android, DOS, FirefoxOS, Linux, MacOS and Windows all in one..
plugin-based RPG manager in C++ and Qt5
The Snake Game written in JavaScript and CSS3!
Open Game Bootstrap
Open-source 2D Snake Game with 4 different modes of gameplay.
This is a hacking style game set in the early '80s
Science Fiction, heavy assault, disestablishment of power.
2D physics engine for games
3D Game engine
Chain Reaction is a simple two player game.
Hungry Hero is an open source Flash game built on Starling Framework.
An Open Engine for use on the OUYA
cross-platform 2d game engine
Cross-platform 2D game engine
Space Exploration Game