Operation Flashpoint: Cold War Crisis Cheats

Operation Flashpoint: Cold War Crisis Cheat: Christmas Time
Change the set date to December 25th and all pine trees will be decorated and have presents under them.

Operation Flashpoint: Cold War Crisis Cheats
Hold LEFT SHIFT and KEYPAD MINUS simultaneously on the main menu or during gameplay, release them, and enter these cheats:

campaign - All missions unlocked
topography - Show map elevations

Hold LEFT SHIFT and KEYPAD MINUS while playing, release, and enter these cheats:

iwillbetheone - God mode
savegame - Creates saved state
endmission - Ends current mission