Note: This procedure involves editing a game file; create a backup copy of
the file before proceeding. Use a text editor to edit the "shellcfg.h"
file in the "dark\shell\" 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 the dial.
Bonus level:
Click on the spiral on the level selection screen after completing level
twelve to play the Death Blow level.