End Mission With Success Cheat:
You must edit the sim.ini game file. Be sure to create a backup copy of the file before proceeding. Edit the "sim.ini" file in the "\\ssi\silent hunter ii\sim" folder. Add the following lines to the end of the file:
[ULTIMATION]
cheat=TRUE
To enable the cheat, begin gameplay and press [Ctrl] + [Shift] + ~ while in a mission to end it successfully.