This sounds preachy, but many modern games are balanced without the need for god mode. Consider whether cheating will actually make the game more fun or just shorten its lifespan.
However, you cannot simply tap an IPA file to install it on a modern iPhone. Apple’s security architecture (FairPlay DRM) digitally signs every app to a specific Apple ID. A raw obtained from the internet is unsigned, requiring additional tools to bypass Apple’s restrictions. igamegod ipa file