Warzone 2100, it was originally developed by Pumpkinhead software and released on the playstation and computer systems. This was back in 1999. 9 years later and the project is still being continued after it was released as open source code.
According to the current developer,”Warzone 2100 is a real-time strategy game, originally developed by Pumpkin Studios and published by Eidos-Interactiveâ„¢. Although comparable to other 3D RTS games, it does contain some features that are unique. These include various radar technologies, a greater focus on artillery and counter-battery technologies, as well as a different vehicle design method. It was released in 1999 for PC and Playstation®.”