In Project I.G.I. 1 (I'm Going In) , there is no built-in cheat code for a "High Jump." Instead, you can achieve this effect through trainers, game engine kits, or specific mods like Neonix. 1. Using a Trainer (Easiest Method)

The most reliable way to increase jump height is through the Project IGI ToolKit, a comprehensive modding tool that allows you to modify human attributes.

Project IGI 1 , the "High Jump" functionality is commonly found within broader mod menus or specific gameplay patches like the Neonix Remastered MOD

How to Install It (The Safe Way)

Disclaimer: Always back up your original ig.exe file before modding.

Testing Checklist (before and after install)

Modern Compatibility: If you are playing on Windows 10 or 11, consider using the Widescreen & FOV Fix to ensure the game runs smoothly while you test your new jump height.