For players uncomfortable with Registry editing, a pre-unlocked save file is the easiest solution.
Navigate to the PC folder. You are looking for a file named config.qvm . Igi 1 Cheats Unlock All Mission
. If you are looking to unlock a specific one, they follow this order: Military Airbase Radar Base Get Priboi Border Crossing Missile Trainyard Defend Priboi Eagle's Nest I Eagle's Nest II Nuclear Infiltration Finding the Bomb Alternative: Save Game Files stores your campaign progression in a specific file
Before diving into the technical steps, it is important to understand how the game saves progress. Project I.G.I. stores your campaign progression in a specific file within the installation directory. By manipulating this file, you can trick the game into thinking you have completed the game, thereby unlocking every single mission from the main menu. Unlike modern FPS games
, released in 2000 by Innerloop Studios, remains a cult classic in the first-person shooter genre. Unlike modern FPS games, IGI-1 had no save feature during a mission—meaning one wrong step could send you back to the start. For decades, players have searched for reliable ways to skip the grind, access the final levels instantly, and gain tactical advantages.