Vulkan renderer mod for Minecraft
Open-source OpenGL/SDL2 reimplementation of Sid Meier's Alpha Centauri
Improved Quake III Arena engine
Surface Explorer 3D plots mathematical surfaces in 3D.
Blueshift is a cross-platform 3D game engine implemented in C++
Galaxy extraterrestrial life simulation
Everlasting Dungeons is a first person roguelike with crafting
A space shooter game.