Secret Service 2 - Security Breach cheats and cheat codes for PC

While playing a game hit tilde (~) to entr to the console window, 
then type any of the codes bellow:

Code - Effect:
UAMMO 1 - Get Infinite Ammunition 
NOIMPACT 1 - Unknown
NOCLIP 1 - Activate no clip mode 
GOD 1 - Activate God Mode 
GHOST 1 - Enable Invisible mode
FLY 1 - Activate fly mode 

Unlock all levels:
Locate the levels.sav file in your game/settings directory.
Open levels.sav file with a text editor. (If you don't find, simple 
create a levels.sav file.)

Copy the following lines in to levels.sav:

Mission1=yes
Mission2=yes
Mission3=yes
Mission4=yes
Mission5=yes
Mission6=yes
Mission7=yes
Mission8=yes
Mission9=yes
Mission10=yes

Save the modified levels.sav file, then run the game as usual and you 
will have access to all missions.