Getting unlimited health requires editing the "player" files to make your character impervious to damage.
Project IGI: I'm Going In (IGI 1) does not have a standard built-in console for entering cheats like modern games unlimited health igi 1 cheats unlimited health and ammo free
) in the game's installation folder to replace enemies with harmless civilians or modify ammo counts directly. Important Note: Getting unlimited health requires editing the "player" files