If you're looking for a quicker way to unlock all missions, you can use cheats and codes. Keep in mind that using cheats may affect your game's overall experience and disable certain achievements.
Struggling to get past the border guards? Keep getting sniped in the radio tower? If you want to skip the frustration and jump straight into any mission (like the famous Border Crossing or Nuclear Infiltration), you don't need to grind. You just need to replace your save file.
Here is the step-by-step guide to unlocking all 14 missions in I.G.I. 1.
Yes, I.G.I.-1 includes a developer cheat that unlocks all missions instantly. This does not require external tools. Here is exactly how to do it:
The intended way: beat a mission, and the next one unlocks automatically in the main menu’s “Mission Select” option.
The problem: I.G.I.-1 has no mid-mission saves. Die on Mission 11, and you restart Mission 11 from scratch. Many players never saw past Mission 7 (Ely Islands) due to the sheer difficulty and the infamous “one-shot-one-kill” enemy AI.
If you are stuck, consider these tips before cheating:
But if you’re tired of the grind, read on.
Project IGI: I'm Going In is renowned for its challenging gameplay and lack of in-game saves. If you want to skip the struggle and jump straight to specific levels—or if you’ve reinstalled the game and lost your progress—you likely want to unlock all missions immediately.
Unlike modern games, Project IGI does not have a built-in "Unlock All" cheat code that you can simply type into a menu. Instead, you have two methods to access all missions: a manual file tweak and a trainer tool. igi 1 how to unlock all missions
Here is how to do it.
How to Unlock All Missions in Project I.G.I.: I’m Going In
Released in 2000, Project I.G.I.: I’m Going In 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.
Since the game does not feature a standard "Level Select" menu by default, you have to use a specific cheat code or a quick file edit to gain access to all 14 missions. Method 1: The Main Menu Cheat Code (Fastest)
This is the easiest way to unlock every level without downloading third-party software or messing with game files.
Launch the Game: Open Project I.G.I. and wait for the main menu to appear.
Type the Code: While sitting on the main menu screen, simply type the following on your keyboard: nada
Check for Success: 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.
Important Note: 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 If you're looking for a quicker way to
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.
Locate the Game Folder: Go to the directory where I.G.I. is installed (usually C:\Program Files (x86)\Innerloop\Project IGI).
Find the 'PC' Folder: Inside the main directory, open the folder named PC.
Edit the MISSION.CFG (or similar): Look for a configuration file related to mission progress.
Note: Some versions of the game store progress in a CONFIG.CFG or a user profile folder.
Change the Values: Find the line that lists completed missions or "highest mission reached" and change the value to 14. List of All Missions in I.G.I. 1
Once unlocked, you will have access to the following 14 stages: Trainyard – The iconic snowy infiltration. SAM Base – Sabotaging Surface-to-Air Missile sites. Military Airbase – Stealing a fighter jet. GOD – Finding the communications array. Radar Base – Destroying the long-range radar. Get Priboi – Capturing the arms dealer. Border Crossing – A tense escape across the frontier. Re-supply – Raiding a depot for gear. Missile Trainyard – Tracking the nuclear warhead. Defend Priboi – An intense extraction shootout.
Eagle's Nest I – Infiltrating the mountaintop fortress via cable car. Eagle's Nest II – Deep infiltration into the bunker. Nuclear Detonation – Locating the bomb. The Finding of Ekk – The final showdown with Ekk. Why Unlock All Missions?
Project I.G.I. was criticized at launch for its lack of mid-mission saves. If you die near the end of a 40-minute mission, you have to start the entire level from scratch. By unlocking all missions, you can practice later stages, explore the massive open-ended maps, or bypass a "bugged" mission that prevents you from progressing naturally. But if you’re tired of the grind, read on
To unlock all missions in Project I.G.I.: I'm Going In (IGI 1), you can
use cheat codes, modify internal game files, or download a 100% completed save file
. Unlike its sequel, IGI 1 does not have a single "unlock all" button, so these workarounds are necessary for instant access to later levels like "Eagle's Nest" or "Finding the Bomb." Method 1: In-Game Cheat Codes
There is no direct "Unlock All Missions" code, but you can skip through levels one by one or enable a developer console to load specific maps. Greater Vancouver Food Bank Mission Skip : While playing a mission, press to pause the game, then press the Print Screen
(SysRq) key. This will instantly complete the current mission and unlock the next one. Console Commands
: Enable the developer console by right-clicking your IGI 1 shortcut, selecting Properties , and adding +set console 1 to the end of the field. In-game, press the tilde key ( ) and type load mission_xx is the mission number from 01 to 14) to jump to any level. Greater Vancouver Food Bank Method 2: Save File Replacement
The most reliable way to have all 14 missions permanently unlocked is to replace your local save data with a complete set. : Locate a 100% savegame from reputable sites like PC Savegames Locate Folder : Go to your Project IGI installation directory (typically C:\Program Files\Eidos Interactive\Project IGI\pc Replace Files : Look for the related data and overwrite it with the downloaded files. Always backup your original files first Method 3: The "Invisibility" Bug (File Modification)
If you want to play through the missions yourself but find them too difficult, you can effectively "unlock" them by making yourself invisible to human enemies through file renaming. Navigate to the folder in your IGI directory. the entire Delete all files except observer.qvm settings.qvm observer.qvm
and rename the copies to the names of the files you just deleted (e.g., rename a copy to ). This tricks the AI into not reacting to your presence. List of All Missions in IGI 1