If the main menu cheat code fails to register on your keyboard layout, you can manually force the game to open all levels by editing its configuration files.
Navigate to your game installation directory (e.g., C:\Program Files\Project IGI ). Open the missions folder.
The exact keystroke combination for this code has been a topic of discussion and slight variation in gaming communities for years. However, the most consistently reported and effective method is as follows:
For players uncomfortable editing code or configuration profiles, utilizing a pre-made 100% completed save profile is the safest route.
Method 3 — Edit the save file directly (manual) project igi 1 all missions unlock
: Extract the downloaded archive using a tool like WinRAR or 7-Zip. You will typically see a folder named NETWORK or files named human.sav .
Go to the Project IGI installation directory on your PC (usually C:\Program Files\Project IGI\mission Replace Files:
Before the days of easy save files, players turned to "Trainers"—small programs that modify the game's memory to give you advantages.
While holding these keys, navigate to the game setup or start a new game. This combination forces the engine to bypass progressive level locks. 2. Using a 100% Completed Save File If the main menu cheat code fails to
However, there are also risks associated with unlocking all missions, including:
Project IGI 's punishing difficulty was a core part of its identity, but its legacy is now more than just a frustrating game. As a tactical first-person shooter, it was a pioneer, focusing on large, open-ended environments and realistic weaponry for its time, long before games like Crysis made that popular.
If you want to skip the progression and jump straight into any of the 14 missions, you can use the following cheat code at the main menu:
Note: If this shortcut doesn't trigger on your specific version, ensure you aren't using a "Remastered" or "Neonix" mod that may have changed keybindings. Method 2: In-Mission Completion Cheat The exact keystroke combination for this code has
: Right-click your Project IGI desktop shortcut and select Open File Location . Alternatively, navigate to your installation directory (e.g., C:\Program Files (x86)\Eidos Interactive\Project IGI ).
In Project IGI, players take on the role of Alex, a secret agent tasked with infiltrating enemy territory and completing various objectives. The game's mission structure consists of 20 main missions, each with its own unique objectives and challenges.
Unlocking all missions in Project I.G.I. requires a simple hex edit or a dedicated save patcher. The process is safe, reversible, and does not modify the game’s core executable, making it suitable for both casual players wanting to revisit specific levels and speedrunners practicing individual stages.