Do not enter the "Select Mission" screen yet.
Look for a line that says MissionReached = 1 . Change Value: Change the number to 14 . Save: Save the file and restart the game. Method 3: Using a "Save Game" File unlock all mission in igi 1 game usttad portable
If the keyboard shortcut doesn't work for your specific portable build, you can manually unlock them by editing the game’s internal logic files. Do not enter the "Select Mission" screen yet
If you are editing files and they won't save, ensure you are running Notepad as an Administrator . go to Properties
If the game crashes when selecting a later mission, right-click IGI.exe , go to Properties , and set compatibility to Windows XP (Service Pack 3) .