If you're having trouble getting the game to run on a newer version of Windows, I can help you with: or low FPS on Windows 10/11 Finding a widescreen fix so the game doesn't look stretched Infinite health or ammo trainers for the Usttad version

If the keyboard shortcut doesn't work for your specific portable build, you can manually unlock them by editing the game’s internal logic files.

The most common way to access every mission in the portable version is a simple keyboard sequence. You do not need to download extra files for this to work.

Do not enter the "Select Mission" screen yet.

Look for a line that says MissionReached = 1 . Change Value: Change the number to 14 . Save: Save the file and restart the game. Method 3: Using a "Save Game" File

Here is the complete guide on how to unlock all missions in the IGI 1 Usttad Portable version. Method 1: Using the Main Menu Cheat