Project IGI was revolutionary for its massive open-world maps and realistic ballistics, but it was also notoriously punishing. One wrong move usually meant restarting the entire level. Unlocking the full roster allows you to: like "Finding the Bomb." Replay iconic missions like "Eagle's Nest" or "Trainyard."
If the keyboard shortcut doesn't work for your version, you can manually override the game's progress. project igi 1 all missions unlock top