Browser game engine
RTS engine
Java game engine for shoot 'em ups, using Java2D.
A game engine in java for 2D strategy games
Java Game Engine 2D
SDL game engine made for Ludum Dare 24
Demonstrating the features of jMonkeyEngine 3.
Cross-platform 2D game engine
Java OpenGL game engine demo.
OSGET is the first open source mobile game engine template.
Game engine supporting many 3D/2D formats and graphic effects
The Lambda-Engine is a cross platform game engine.
A cross platform 3d c++ game engine
Take a look at our work!
Cross-platform 2D gaming middleware
Free MMORPG Engine. Develop and host graphical browser-based games.