Operation Flashpoint: Cold War Crisis Codes -

Level Passwords:
Simply reload before you run out of shots on one clip.

Bonus level:
Successfully complete the game with the best ending. Allow the credits to complete and an intermission sequence will begin.

Glitch: Invincibility (demo version):
Before the end of the level, just when the helicopter picks you up, wait about five seconds. Then, go to your action menu by pressing ] or [ and select "Eject". Press [Enter] and your character will parachute out of the helicopter. When he lands, you can continue the game and not get killed.