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.