Games:

• Free/GPL: Tankage, BZFlag, Warzone.
• Rolly-ball, Neverball; Indescribable, Liquid War.
• World conquest, FreeCiv.
• Space combat; 3D: No Gravity, 2D: The Ur-Quan Masters, Gate 88, Maelstrom.
• Downhill racing, TuxRacer; RPG: Wesnoth.
• Shareware: Oids.X, Escape Velocity, PaxGalaxia.
• Board: SigmaChess, Goban, Damejong.
• GPL Remakes: Wing Commander: Privateer; Bungie: Myth, Marathon. Quake: Nexuiz.