Stratagus is a free and open-source cross-platform game engine used to build real-time strategy video games. Licensed under the GNU GPL-2.0-only,[2] it is written mostly in C++ with the configuration language being Lua. Stratagus Team 1998 1998-06-15 June 15, 1998 Engine CE3D3D A40000 DB4C4C F57900 26353C