If you find yourself still struggling even after skipping ahead, you might want to look into other cheats like or Unlimited Ammo , which often require editing game files or using third-party Project IGI Trainers . IGI 1 Cheat Codes and Unlocks Guide | PDF - Scribd
Right-click IGI.STG → Properties → Check "Read-only" → OK.
Search for the "Project IGI 1 Usttad Trainer" or "IGI 1 All Mission Unlocker" from a reputable classic gaming archive.
– A mountaintop fortress assault utilizing cable cars.
Immediately after, type (some game versions require you to type allmission singular).
If you want the authentic 2003 experience, search for IGI_Trainer_Usttad.zip on abandonware forums (scan with VirusTotal first). The trainer typically:
Carefully type usttad on your keyboard while looking at the main menu. Do not open any sub-menus or consoles before typing.
: Look for a subfolder named pc and then open the save or MISSION data folder.
Some versions require **igiveup** to be typed twice. This code also gives you all weapons.
Open the folder named pc and navigate to the save subfolder.
