Grand Theft Auto IV (commonly abbreviated as GTAIV) is a 2008 video game published by Rockstar Games and developed by Rockstar North, for the Xbox 360, PlayStation 3, and, later, the PC. Although two other games had preceded it since Grand Theft Auto III in 2001, this is the official fourth installment of the series. Like its predecessors, it was the center of immense public controversy upon its release, but was one of the highest selling games of the year, and most well-reviewed.
Similar to the sixth-generation GTA titles, this game starts off with a new character in a different era of time from the last. This time you play as Russian immigrant Niko Bellic in a modern day Liberty City that takes on a much more realistic tone than the last time it was portrayed, in GTAIII; driving physics and shooting, for instance, are notoriously more difficult. It's the first game in the series to have online multiplayer.
Niko Bellic, an immigrant from an un-specified area in Eastern Europe, arrives in Liberty City and reunites with his cousin Roman after years to chase after the "American Dream." However, Niko soon finds that the stories Roman had been telling him about America and its luxuries were over-exaggerated; Roman runs a homely taxi business and lives in a loft in Broker. Niko, a former felon back home, becomes involved in the city's underworld through Roman's associations with local criminals like Little Jacob.