For a more interactive "unlock" experience, players often use third-party trainers. These tools don't just unlock levels but provide "God Mode" or "Unlimited Ammo" to make completing missions trivial. 1: Trainyard - PC Savegames
Navigate to your game installation directory (e.g., C:\Program Files\Project IGI ). Open the missions folder. project igi 1 all missions unlock
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Navigate to the Project IGI installation folder (usually C:\Program Files\Project IGI\ ). For a more interactive "unlock" experience, players often