To unlock all missions in Project I.G.I.: I'm Going In (2000), you can use a specific key combination or modify game files. Because the original game does not have a traditional cheat menu for level selection, players typically use these workarounds: 1. Key Combination (Unlock Levels)
Step-by-Step (Works on PC / Original Release): project igi 1 all missions unlock top
—a digital skeleton key that turned the world’s most secure borders into his personal playground. To unlock all missions in Project I
Reinstall and use version-specific files project igi 1 all missions unlock top
Conclusion
