Project I.G.I.: I'm Going In is a classic tactical first-person shooter released in 2000. While the specific phrase in your query looks like a search string for a "portable" FitGirl Repack, there are important details to clarify regarding that specific release and how to run the game today. ⚠️ A Note on Repacks
FitGirl is world-renowned in the gaming community for creating highly compressed, efficient, and stable installers. This "Exclusive Portable" version takes it a step further: igi+1+i+am+going+in+portable+fitgirl+repack+exclusive