Hold Left Ctrl + Left Shift + F9 at the main menu. Final Word of Caution
Most game trainers are flagged by antivirus software as or "riskware." This is because they inject code into running processes. While 99% of I.G.I. 2 trainers from reputable sources (like Cheat Happens , MegaDev , or GameCopyWorld ) are safe, always: 9 trainercom igi 2 better
Unlike modern injectors, the rule was simple: Hold Left Ctrl + Left Shift + F9 at the main menu