Project IGI: I'm Going In is a tactical masterpiece, but its lack of a mid-mission save feature makes some levels notoriously difficult. If you are looking to skip the grind and access any stage instantly, using a mission unlocker or "All Missions" save file is the most effective method.
You will see something like this:
The game stores mission progress locally. Players typically bypass progression walls via:
: At the main menu, hold Left Ctrl + Left Shift + F9 simultaneously. While holding these keys, start the game to see all levels available in the selection screen.
If you are already inside a mission and want to jump to the next one immediately: [Left Ctrl] + [Left Shift] + [F12]
