This is the most reliable way to "unlock" missions without downloading external files. You can trick the game into thinking you've finished a level to progress to the next:
Method 4 — Use Console Commands / Trainers (Advanced / Risky)
The most reliable way to "unlock" missions without playing through them is to use the in-game mission skip cheat. Project IGI
If you're looking for more information or resources on IGI 1, here are some additional resources:
This is the most reliable way to "unlock" missions without downloading external files. You can trick the game into thinking you've finished a level to progress to the next:
Method 4 — Use Console Commands / Trainers (Advanced / Risky) igi 1 how to unlock all missions
The most reliable way to "unlock" missions without playing through them is to use the in-game mission skip cheat. Project IGI This is the most reliable way to "unlock"
If you're looking for more information or resources on IGI 1, here are some additional resources: here are some additional resources: