ika is a game engine designed to allow one to make a console style RPG with a minimum of code, while allowing one who is willing to code an impressive level of power over the look and feel of one's project, thanks to the embedded Python interpreter.

Simulation Game Engine script provides you a game engine for simulation like games. It allows you to build economy, build army, take over the world.

Bare2d is a multi platform 2d game engine that handles only the most bare things: 1. sprites 2. keyboard 3. mouse 4. sound and 5. text. This is the first game engine I will write. I hope to build a game engine specially for independent game programmers

Canvas Game Engine (CGE) is a library entirely written in JavaScript that allows for rapid creation of two-dimensional games by utilizing the new canvas element introduced with the HTML5 standard.

Gel2D is a free/open-source, cross-platform, object-oriented, 2-dimensional game engine written in C++. It aims to be an all-in-one solution for commercial-quality rapid game development.