A planetarium software that shows a 3D simulation of the night sky
FlightGear Flight Simulator: free open-source multiplatform flight sim
Download Delta Roblox executor for keyless scripting. Latest Update
Hardcore 3D space shooter with spaceship upgrade possibilities.
GLScene Engine for Delphi & C++Builder VCL Windows 32/64
0 A.D. is a free, open-source, cross-platform real-time strategy game.
Open source FPS/RTS Game
High-efficiency minimalist C++ wrapper for OpenGL 4.3
Let it snow on your desktop
3D modeler, 3D game maker, 3D demo maker
Maze creation, solving, exploration, and analysis
An enhanced version of 7K:AA (Seven Kingdoms: Ancient Adversaries).
Cross-platform real-time strategy game (3D)
A free 3D game engine to create games and realtimes scenes for Windows
Encode/decode fur codes
A cross-platform, multimedia interpreter for TADS adventure games.
2D Game Engine
Vivid Engine 2 is an open source 3D Engine coded using C# and C++.