Using "One-Hit Kill" or "Stealth Mode" during scripted events can sometimes break mission triggers, preventing progress.
IGI 2 doesn’t allow manual saving, leading to massive frustration. This trainer injects a (F5/F8) that saves your exact position, health, and ammo state. It is buggy on Windows 10, but on Windows 7/XP, it’s a godsend.
Find a reputable source for the "IGI 2 Trainer +13" (often associated with groups like Lingon or Deviance).
Never worry about finding a resupply crate in the middle of a Russian airbase.
Note: The specific functions may vary slightly depending on the creator (e.g., DEViANCE, Cheats Happen, or MegaGames), but the list above covers the standard "Best" functionality.
Once in a mission, use the Hotkeys (usually F1 through F12 or the Numpad) to toggle your desired cheats. Why Use the +13 Trainer?