Look for a file named or levels.cfg (the exact file structure varies slightly between the original CD version and GoG/Steam wrappers).

I can provide step-by-step troubleshooting for your exact setup. Share public link

Look for a file named or CONFIG.CFG (open with Notepad).

To unlock all missions in Project IGI 1 , you can use a hidden keyboard shortcut or specific in-game cheats. Unlike the sequel, IGI 1 does not have a single "unlock all" button on the menu, but you can skip through them instantly. 🔓 How to Unlock All Missions 1. The Instant Skip Shortcut

In I.G.I.-1: I'm Going In (also known as Project I.G.I. ), you skip missions or unlock them out of order through a menu option. The game uses a linear, checkpoint-based save system.

If you are encountering any or game crashes?

(Survive an ambush and escape across the border) Re-Supply (Infiltrate a storage facility to re-arm) Missile Trainyard (Track the nuclear warhead on the move)

The most straightforward way to unlock new missions is by completing the previous ones. As you progress through the game, you'll unlock new missions, and this process will continue until you've completed all 20 missions.

: Open Project I.G.I. and wait for the main menu screen to load.

Find the line starting with: MISSION_COMPLETE

Breach the assembly facility where the bomb is kept.

Download an or Mission Unlocker from a trusted source like MegaGames.

: Go to the game's directory and look for the save or human folder.

To unlock all missions in , you can use a keyboard shortcut or manually edit your game files. ⌨️ Main Menu Shortcut

The easiest way to open every stage is to use a keyboard code. Follow these fast steps: : Start Project I.G.I. on your computer. Stay on the menu : Do not click anything yet.

Once cheat mode is active, you can typically use the mission skip command, often: mission skip or next mission

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(Protect your high-value target from oncoming waves)