Avoid the first random link on Google. Look for tech forums like XDA Developers or reputable APK repositories (like APKPure or APKMirror). However, be aware that IGI ports are rarely hosted on these official repositories due to copyright issues. You will likely be on third-party tech blogs.
If you are determined to try one of the unofficial fan-made Project IGI games, follow these safety rules: project igi 3 android game download