1 How To Unlock All Missions: Igi

Look for a configuration file related to mission progress.

There is usually no visual confirmation or sound effect. However, once you click on "Single Player" or "New Game," you should see the full list of missions available for selection.

If the cheat code fails due to your specific game version (such as certain GOG or Steam wrappers), you can manually "tell" the game that all missions are completed by editing a configuration file. igi 1 how to unlock all missions

While sitting on the main menu screen, simply type the following on your keyboard: nada

If the code doesn't work the first time, try typing it slowly or ensure your "Caps Lock" is off. Method 2: The "Unlocker" File Edit Look for a configuration file related to mission progress

Released in 2000, remains a tactical shooter classic known for its unforgiving difficulty and lack of an in-game save system. If you're stuck on a particularly brutal mission like "Eagle's Nest" or simply want to revisit your favorite levels without playing through the entire campaign, unlocking all missions is a popular shortcut.

Note: Some versions of the game store progress in a CONFIG.CFG or a user profile folder. If the cheat code fails due to your

This is the easiest way to unlock every level without downloading third-party software or messing with game files.