FlightGear Flight Simulator: free open-source multiplatform flight sim
A network server for the flightgear simulator
A fun realistic multiplayer free-and-open-source first-person-shooter!
GameServer is a sophisticated, game server designed for online games
A Sudoko Solver/Puzzle Generator For MS Windows
Digitale Modellbahnsteuerung
MUD server, based on CircleMUD code, russificated
2D Open Source MMORPG
DIS(IEEE 1278.1) Fully Implemented in C++
MIT Licensed Open Source version of Torque3D from GarageGames
turn-based wargame/simulator
Mini game engine for games104
Procedurally-Generated Game-Like Gym-Environments
Turn Off your Wireless Xbox 360 Controller on PC
3D representations of flowers, flower elements, bouquets or meadows
Fractal planet and terrain generator
Open-DIS implements the IEEE DIS protocol in multiple languages.
The Atomic Game Engine is a multi-platform 2D and 3D engine
Design and Display Happy Cube solutions