The Grand Theft Auto series popularized the idea of an open-world game, and GTA IV really takes it to the next level. The game is set in Liberty City, a sprawling urban environment so closely based on New York City that the first time I saw the trailer, I thought it was set in the real world. Even though Liberty City is smaller in scale than NYC, it feels huge, thanks to a nearly unlimited field of view. Go up to a rooftop and you’ll see skyscrapers, streets, and bridges, all of which you can visit. The view is even more breathtaking from a helicopter at night, when the city is lit up and More >