Create 2D mini-game easily with this lib
XNA based game engine completely written in c#
Gives agents personality, moods, emotions and emotional attachments.
Cross-platform C framework very compact libraries and tools.
A generic 2D engine for any kind of game
3D Game engine
C++ Framework for slot machine games
A game development kit for Sifteo Cubes.
Open Source Virtual World and MMOG Development Platform
cross-platform 2d game engine
Investigo - DX9 Performance and Debugging Toolkit
A cross-platform OpenGL based lightweight scenegraph library
AMOS BASIC reimplementation in Java
Cross-platform 2D game engine
also download updates from files section
A cross platform 3d c++ game engine
This game is a 2d arcade game. You can move, jump, kill monster.
Basic real-time simulation engine in C++
Read and write PGN format and test moves for legality.
A powerful cross-platform and open-source 3-D rendering engine.