OK, maybe not officially, but modders are ensuring that Grand Theft Auto IV continues to sprout bells and whistles like a million retail chains the second Christmas shopping season starts. It’s become remarkably more attractive, gained entire landmasses, and received the most important upgrade of all: Iron Man. But that’s not enough. It can never be enough. So modders have taken to grandly thieving Grand Theft Auto V’s features and cramming them under GTA IV’s hood. First up: cross-city character-swapping.