Extensive Java chess database libraries.
A 3D simulator game where you can drive, fly, and sail
3D .NET engine for Windows, Linux, Mac
3D urban environment renderer : browser-app ; as well as a GTA clone
Flexible and easy-to-use 2d game engine
Multi-platform game engine similar to old Megaman with a stage editor
A game engine written in the D programming language
A 3D game engine in java.
A collection of all maps and games made for the TripleA game engine
starcraft clone game
Unity3D DIS(1278.1) Implementation
a very lightweight advanced terrain-rendering and 3D map rendering sys
plugin-based RPG manager in C++ and Qt5
An advanced flexible game engine for Java.
An online multiplayer turn based strategy game and board game engine.
Next generation web chess club
THIS SOFTWARE IS IN PRE-PRE-PRE-PRE-ALPHA. So don't really download it
Java decentralized cross-platform network multiplayer game engine