A game maker written in C# and FreeBASIC
WGFX 2D Game Engine
Open Source Virtual World and MMOG Development Platform
https://github.com/horde3d/Horde3D
Multi-Language Wrapper Collection for the Irrlicht Engine
FPS game for demoscene party
Horror Game Project
RPG Games without coding!
Pong with Particle Effects!! Source included.
Space + Planet Simulation in a voxel-like world
An open source MMORPG engine.
DREAM is an Open Source GCS
Anni is on free open-source C# UCI bitboard chess engine
A generic framework for the generation of game levels.