Hunt down all 200 "Flying Rats" (pigeons) and complete all 50 stunt jumps.
To achieve "Key to the City" (100% completion), you must finish more than just the main story: grand theft auto IV
It is recommended to play the original game first before diving into the DLCs ( The Lost and Damned and The Ballad of Gay Tony ) to avoid plot spoilers. Hunt down all 200 "Flying Rats" (pigeons) and
Some missions force you to choose between characters, which can impact your rewards. For instance, choosing between Derrick or Francis offers different monetary gains and perks. 100% Completion Checklist grand theft auto IV