Operation Flashpoint - Red Hammer

here are 2 cheats:
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Submitted by: Classboy2002
1. Unlimated savegames:
Press L-Shift + Keypad minus and type “savegame” during gameplay.
2. Unlock all missions:
Press L-Shift + Keypad minus and type “campaign” on the main menu.
End mission cheat:
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Submitted by: jens lohse
Press Escape while in a game. Press shift and minus at the
same time.
Release them and type endmission.
Various Cheats:
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Submitted by: arun prakash
home: www.planetcommunity.tk
While holding left shift push “-” (num pad) then leave them.
After that type:
savegame     - saves game during missions
endmission   - ends mission
topography   - Show elevations on map
campaign     - while in main menu (all missions)
iwillbetheone - Invincibility