To use cheat codes in GTA 4, you just need to open Niko's phone menu, enter the corresponding code for any cheats you want to use like a phone number, and call it. You'll then see a prompt on the ...

The best of the modes modified from GTA IV is easily Witness Protection. This is similar to Cops 'n Crooks. Only now one team plays as NOOSE officers escorting a witness to one of the police ...