IGI 2’s stamina bar drains after 3 seconds of sprinting. An advanced trainer locks stamina at maximum, allowing you to sprint across the massive maps of "Estonia" or "Trainyard" in seconds.
However, for your first playthrough, consider using the trainer sparingly. Toggle on unlimited health only for the helicopter sections. Use unlimited ammo just to learn enemy patrol routes. The true magic of I.G.I. 2 is the tension of being one bullet away from death. igi 2 trainer unlimited health and ammo extra quality
💡 If using an external trainer, always Run as Administrator and ensure your game version (e.g., v1.3) matches the trainer version to avoid crashes. IGI 2’s stamina bar drains after 3 seconds of sprinting