Because Project IGI 1 was designed for older architectures, you might encounter issues like screen flickering, mouse lag, or the game crashing on startup when using modern operating systems. Use these quick fixes to get the game running smoothly:
The game utilized a proprietary flight-sim engine, allowing for massive outdoor terrains that were groundbreaking for its time.
Run any downloaded .exe file through an updated antivirus scanner or an online tool like VirusTotal before executing it.