To unlock all missions in Project I.G.I.: I'm Going In (IGI 1)
To make difficult missions like Re-Supply easier, you can rename the ai folder within the common folder, which causes enemies to stand still as non-active models.
To unlock all missions in , you can use a specific keyboard combination on the main menu or manually modify game files if the shortcut does not trigger. Quick Unlock Methods
You will now see all 14 missions listed and unlocked, allowing you to select and play any level instantly. The Config File Configuration Method
Once you apply the Usttad method, this is what you’ll see in the mission select screen:
There is no official visual confirmation sound, but typing this code instantly unlocks all 14 missions.
Type the word nada directly on your keyboard. (There is no text box; just type it). Immediately type allmissions right after. Go to the mission selection screen.
Project I.G.I.: I'm Going In remains a masterpiece of tactical first-person shooter history. Released in 2000, its challenging gameplay, lack of in-mission save points, and intelligent enemy AI still test gamers today. If you are stuck on a brutal level like "Border Crossing" or "Military Airbase" and want to experience the entire campaign immediately, this guide provides the exact methods to unlock every mission. The Ultimate "Usttad" Cheat Code Method