Igi 1 All Mission Unlock Key Fixed

Deep analysis — "IGI 1: All Mission Unlock Key Fixed"

The "fixed" method below bypasses these issues 100% of the time by editing the game’s core save file directly.

1. Navigate to your I.G.I. save folder (usually inside the game directory or C:\Program Files\Eidos\Project IGI\save).
2. Look for a file named game.sav or similar.
3. Make a backup copy.
4. Open it with a hex editor (e.g., HxD) or a simple text editor like Notepad++.
5. Search for a pattern like mission or level and change the values to the final mission number (usually 14).
6. Save and replace.

Shortcomings and potential issues with unlock patches