Strategy by Design
Warzone 2100 is an open source real-time strategy and real-time tactics hybrid computer game, originally developed by Pumpkin Studios and published by Eidos Interactive. It was originally released in 1999 for Microsoft Windows and PlayStation, and is now also available for Mac OS X, Linux, FreeBSD, AmigaOS 4, and other operating systems.
Warzone 2100 was released as a proprietary commercial game, but on December 6, 2004, source code and most of its data was released under the GNU General Public License. On June 10, 2008 the license of the game was clarified, loosened and distribution of films and soundtrack was permitted.