Method to unlock all missions of IGI 1 PC game.
- Download config.qvm file from here – IGI 1 Savegame PC.
- Copy the config.qvm file.
- Paste config.qvm file into the main game folder.
- Click on Replace the file in the destination – if there are already any files with the same name.
- Now launch game, see there – all missions unlocked,Enjoy.