TR Game Engine allows you to develop your game quickly and easily.
A 3D, fully concurrent game engine
A multiplatform game engine for interactive fiction experiences
BxEngine For Marmalade And QT
A retro style video game engine for RPGs and adventure games.
A Simple Game Engine
2D Game Engine, based on OpenGL and focused on Isometric Games
A simple 3D game engine
3D game engine for C and C++
A lightweight HTML5 Game Engine
A truly extensible cross-platform game engine
Tactical, turn-based game engine, that uses OpenGL and WinAPI
A very small multi-platform game engine for creating desktop games.
UtiliGame is a light-weight game engine written in Java.
Little game background framework in java.
Simple and scalable 3d javascript game engine
cross-platform 2d game engine
A game engine in java for 2D strategy games
Java game engine for shoot 'em ups, using Java2D.