Before diving into the "how," let’s address the "why." Project IGI does not feature a traditional mission select menu. To progress, you must complete each level sequentially. While this was standard for early 2000s games, IGI’s difficulty—exacerbated by enemies who spot you from 200 meters away and the absence of quicksaves—makes later levels nearly impossible for casual players.
Go to the Project IGI directory, locate the save or profiles folder, and copy your existing files to a safe folder on your desktop.
Right-click the Project IGI shortcut on your desktop and select . Alternatively, navigate to your installation directory (e.g., C:\Program Files (x86)\Eidos Interactive\Project IGI\ ).
Alternatively, you can use cheat codes to unlock all missions. Here's how: project igi 1 all missions unlock
Type the word slowly and lowercase on your keyboard. (There is no text box; just type it into the void).
What of Project IGI do you have installed?
– Ascend a snowy mountain base via a cable car. Before diving into the "how," let’s address the "why
The fastest way to unlock all missions during active gameplay is by using a specific key combination. This is ideal if you are stuck on a particular objective and want to move forward immediately.
Go to your game installation directory (usually C:\Program Files (x86)\Project IGI\ ).
Type the word nada on your keyboard. Do not press Enter or click anything while typing. Go to the Project IGI directory, locate the
Search for the string containing mission or level_unlock . Change the integer value next to the completed missions variable to 14 . Save and Exit: Save the text file and launch the game. Method 3: Utilizing a 100% Save Game File
For players who have tackled the infamous "Border Crossing" mission in the first-person classic Project I.G.I: I'm Going In , the desire to unlock all missions is completely understandable. This legendary stealth-action game from Innerloop Studios is notorious for its brutal difficulty and an almost total lack of mid-mission saving. If you die (and you will, often), it's back to the very start of the entire mission. This design choice has frustrated gamers for over two decades, driving many to seek ways to bypass the struggle and experience the full story.
Once successfully unlocked, you will have unrestricted access to all 14 tactical operations: Trainyard Mission 2: SAM Base Mission 3: Military Airbase Mission 4: GOD Mission 5: Radar Base Mission 6: Get Priboi Mission 7: Border Crossing Mission 8: Re-supply Mission 9: Missile Silo Mission 10: Defend Priboi Mission 11: Eagle's Nest I Mission 12: Eagle's Nest II Mission 13: Nuclear Detonation Mission 14: Finding Jach
Open the folder named , then look for a folder named COMMON or MISSIONS .
If the cheat code fails to register or resets when you close the game, you can permanently alter the game files to force all missions to unlock. Step-by-Step Instructions