End mission successfully:
Note: This procedure involves editing a game file; create a backup copy of the file before proceeding. Use a text editor to edit the "sim.ini" file in the "\ssisilent hunter iisim" folder. Add the following lines to the end of the file: 

[ULTIMATION]
cheat=TRUE 

Begin game play and press [Ctrl] + [Shift] + ~ while in a mission to end it successfully.