Mortal Kombat: More Kombat is a compilation album featuring primarily exclusive music from a number of metal, industrial and electronica bands inspired by the first Mortal Kombat film. It is not an actual soundtrack to the movie, however.
"Mortal Kombat: More Kombat" is a collection of songs from various metal, industrial, and electronic artists that draw inspiration from the original "Mortal Kombat" movie.  It's important to note that it isn't a true soundtrack for the film.