Hold LEFT SHIFT and press KEYPAD MINUS. Release the keys, then activate the following cheats by entering the corresponding codes. Note: Your entry will not be displayed onscreen.

CHEAT FUNCTION - CHEAT CODE
End mission - endmission
All campaign missions - campaign
All single player missions - missions
Save game - savegame
Generate map in .EMF format - topography
All armory items - getallgear
Flush video memory - flush
Freeze game - freeze
Forced crash dump - crash