unmass is a tool to extract game archives. It supports the following archive
types: Crimson Land, Baldur's Gate 2, Civilization 4, Doom (WADs), Dune 2,
Etherlords 2, Final Fantasy 7 and 8, Flashpoint, Knights of Xentar, Metal Gear
Solid (DARs), Moorhuhn 2 and 3, Megaman Legends, Oni, Operation Flashpoint,
Princess Maker 2, Quake 1, RollCage, Swine, Unreal Tournament umods, Virtua
Fighter bitmaps, MEA exe's, and some economy file formats.