Cheat Codes
Go to the following location where your saved profile is located e.g. E:\Documents and Settings\UserName\My Documents\specnaz and then open the "config.ini" file using any text editor. 

Add the following line to the end of the file: 

bindc +DIK_GRAVE (console_showhide) 

Then, press ~ while playing to bring up the console. Enter sv_cheats 1 to enable cheat mode, then enter one of the following codes at the console window to activate the corresponding cheat function. 
 

Code:                                    Result:
game_godmode 1                  God Mode
addammo all                         Ammo for All Weapons
addwpn # Get                       Desired Weapon
g_developer 1                       Developer Mode
cl_drawfps 1                         Show FPS
g_fly 1                                 Fly Mode
g_noclip 1                            No Clipping
map [name]                         Go to Map