Successfully applying these methods will grant access to all 14 tactical missions, including: SAM Base Military Airbase GOD Radar Base Get Priboi Border Crossing Re-Supply (noted as the hardest mission) Missile Trainyard Defend Priboi Eagle's Nest I Eagle's Nest II Nuclear Infiltration Finding the Bomb

unlock all mission in igi 1 game usttad portable, IGI 1 Usttad all missions, IGI 1 portable cheat, Project IGI all levels unlock.

, you can use a keyboard shortcut or a mission-skip cheat during gameplay. These methods allow you to bypass the standard progression and access any stage, such as the difficult "Re-Supply" or the final "Finding the Bomb" mission. Quick Mission Unlock Methods

For a visual walkthrough on how to modify mission files and access every stage, you can watch this tutorial: