Original Ultima 7: The Black Gate or Ultima 7 part 2: The Serpent Isle game distributions should be copied from floppies or CDs to relevant subdirs in ${TRUEPREFIX}/share/exult . For example, after extraction the game distribution archive ultima-vii-the-black-gate.zip, you want to put the contents of U7 directory in ${TRUEPREFIX}/share/exult/blackgate