A former SAS operative infiltrates heavily guarded military sites across Russia and Eastern Europe, chasing the rogue Colonel Ekk before her stolen nuclear warheads can trigger catastrophe. Project I.G.I. is a turn-of-the-century tactical FPS built around tense solo missions rather than nonstop arena shooting. Its atmosphere is cold, severe, and suspiciously quiet, with snowy compounds, airfields, underground facilities, and enemy bases that feel dangerous long before the shooting starts. David Jones is not an unstoppable action hero; a careless move can bring an entire installation down on him.

Missions usually begin with an objective briefing and a broad map, then leave players to reach computers, retrieve intelligence, sabotage equipment, rescue targets, or eliminate key personnel. Weapons are modeled after recognizable real-world firearms, and every gunfight demands controlled aim because health is limited, enemies can fire accurately at range, and ammunition is not endless. Stealth is often the smarter route: bypass patrols, use suppressed weapons when available, watch security cameras, and avoid alarms that summon reinforcements. The large, open-ended levels encourage scouting and alternate approaches, though the lack of mid-mission saves makes long operations notably unforgiving by modern standards.

What makes Project I.G.I. memorable is its ambitious scale for 2000: it gives players sprawling military spaces and a sense of operating behind enemy lines years before tactical shooters commonly did the same. Its enemy AI and interface show their age, and occasional trial-and-error can be frustrating, but the slow build from reconnaissance to chaotic escape remains compelling. Fans of the first Rainbow Six, early Ghost Recon, or old-school PC shooters with deliberate pacing will find a fascinating classic here. Newcomers should expect a rough, demanding experience, while veterans may appreciate how much tension it creates with simple stealth, harsh checkpoints, and a strong espionage mood.