In Wolfenstein you play B.J. Blazkowicz, a highly decorated member of the office of Secret Actions(OSA).
The Wolfenstein SPK/MPK Extractor made by Bellox902 is a powerful tool to extract .spk/.mpk gamefiles from the Wolfenstein Game. These files contain all kinds of stuff like the music (.mp3), bink videos (.bik) or textures (.dds). The latest 0.2 version can also pack mp3 files into spk/mpk!