Game engine supporting many 3D/2D formats and graphic effects
A work-in-progress chess bot written in C#
State Management and Multiplayer Networking for Turn-Based Games
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
An online multiplayer turn based strategy game and board game engine.
Classic backgammon in fantasy setting with a lot of missions.
An extensible development framework for roleplay games.
A game engine in java for 2D strategy games