3D (4x4x4) tic-tac-toe
Vivid Engine 2 is an open source 3D Engine coded using C# and C++.
A fantasy RPG.
Game engine for playing tomb raider 1 - 5 levels.
C/C++ , PHP, PYTHON, 3D ENGINES, CHROME NATIVE CLIENT
scriptable game engine with built-in support for 2D graphics and sound
Fly around an island casting spells, summon monsters, collect mana, a
3D video music media player lyrics subtitles etc...
Baystation's flavor of Space Station 13
A mobile game distributed server implemented using netty4.X
MCEdit: World Editor for Minecraft
Sims 3 (and other) game package library
The Atomic Game Engine is a multi-platform 2D and 3D engine
Massive Multiplayer Online Wargame Leveraging the Internet
Bot for id Software's Wolfenstein 3D