SpaceStations, StarShip Division.
C++ OpenGL 3D Game Dev Lib [moved to: play.ru.net/src]
DIS(IEEE 1278.1) Fully Implemented in C++
A simulator for drones, cars and more, built on Unreal Engine
Artificial Life Simulation
A fast-paced free software rally racing game
Open RealStrategyGameLibrary (Engine)
Pioneer, a space adventure game in the 31st Century Milky Way galaxy
Dungeon free resources (terrain & roguelike generation)
Open source model airplane simulator
Online Flight Simulation Network Client for X-Plane
3D Space Station Simulator (inspired by SS13)