Armagetron Advanced is a free and open source lightcycle game for Windows, Linux and MacOS. It is single and multiplayer lightcycle game. In this game you need to ride a lightcycle and it leaves a trail of pure energy line behind it like the tron movie. You need to avoid crashing into your own trail or that of another player to wind this game. This game comes with kills, survival and territorial dominance in the Sumo and Fortress modes. It is released under GNU General Public License, version 2.