You can skip to any mission or complete the current one instantly using these inputs:
Gaming forums like Ancient DOS Games or Reddit (r/patientgamers) often have user-uploaded 100% save files. Ensure the file is clean—run it through VirusTotal if unsure. Download Igi 1 All Mission Unlock
: Some community "All Missions Unlock" downloads work by providing a pre-completed location zero folder. You must navigate to the Project IGI game directory, open the mission folder, and paste the downloaded folder there, replacing the existing files. You can skip to any mission or complete
This is the solution most users are looking for. Modders have created "100% Completed" save files. By downloading these files and pasting them into your game folder, the game reads the data as "Player has completed Mission 14" and subsequently unlocks the next mission (Mission 15) for selection, or allows you to select any mission. You must navigate to the Project IGI game