Enable Select mission cheat. Then click "Back" at the Options screen. (It will display the Togran icon.) Click on the icon to play the Death Blow bonus level.

1. Find the file SHELLCGF.H in the "Dark Reign/DarkShell" subdirectory.
2. Right click on the file and uncheck the "Read Only" box.
3. Open the file in a text editor and change the line:

   #define BTN_MISSION_COFFICIENT 150

   to

   #define BTN_MISSION_COFFICIENT 157

4. Save changes made to file.
5. Run game. (The "Cheat" dial at the bottom of the screen will allow you to select any mission.)

(Note: Always make backup copies whenever you edit game files.)