Click on the spiral at the level selection screen after completing level twelve to
play the Death Blow level.
Note: This procedure involves editing a game file; create a backup copy of the
file before proceeding. Using a text editor, edit the "shellcfg.h" file locacted in
the "darkshell" directory. Change the "#define BTN_MISSION_COEFFICIENT
150" line to "#define BTN_MISSION_COEFFICIENT 157". The new "Cheat"
icon in the lower left corner of the screen will allow any mission to be selected on