First gain general knowledge about Ida
Then play the game
Download clutch or rasticrac
First download clutch then follow this
https://iosgods.com/topic/5618-how-to-crack-apps-on-ios-8-with-clutch/
Then when u have got the binary the. U have to thin it
http://armconverter.com/binarytools/
Just simply upload the binary file here and it will thin it
Then remove aslr protection
http://armconverter.com/binarytools/
Upload the file and remove it
Now download putty
When u have thin ur binary and remove aslr then
Follow this
It will show u how to use gdb
https://iosgods.com/topic/781-tutorial-how-to-hack-using-gnu-debugger-gdb/
Then follow this:
Then u are ready to hack load up the file in ida
https://iosgods.com/topic/4767-idavideotutorial-how-to-hack-sub-x-games-using-gpigg-gdb-ida/
Congrats u have done it these are only steps
which will make sure u don't miss anything
If I have miss something then remind me
It will help people who started hacking