Grand Theft Auto IV is a 2008 sandbox-style action-adventure video game published by Rockstar Games, and developed by Rockstar North, which has been released for the PlayStation 3 and Xbox 360 video game consoles, and for the Windows operating system. The game involves a separate timeline and world than its predecessors in the Grand Theft Auto series, starting the fourth “era” in the series, and is set in Liberty City, a fictional city based heavily on modern day New York City. a] The game follows Niko Bellic, an Eastern European war veteran who comes to the United States in search of the American Dream, but quickly becomes entangled in a world of gangs, crime, and corruption. Like other games in the series, GTA IV is composed of elements from driving games and third-person shooters, and features “open-world” gameplay, in which players can interact with the game world at their leisure in a nonlinear fashion. Grand Theft Auto IV also features several online multiplayer modes.
Two expansion packs have been developed for the game, originally released as downloadable content for the Xbox 360 version throughout 2009. Both The Lost and Damned and The Ballad of Gay Tony feature new protagonists. The two expansions have been released together for all platforms as a stand-alone game called Grand Theft Auto: Episodes from Liberty City. Grand Theft Auto IV: The Complete Edition is a bundle that includes both the original GTA IV game and the Episodes. As the first game of the critically acclaimed series to appear on seventh generation consoles, Grand Theft Auto IV was widely anticipated.
A major commercial and critical success, it broke industry records with sales of around 3. 7 million units on its first day of release and grossing more than $500 million in revenue in the first week, selling an estimated 6 million units worldwide.  As of March 2011[update], the game had sold over 20 million copies.  It is the all-time highest-scoring game on three professional critic review-aggregating websites: TopTenReviews, GameRatio and GameTab. It is also the highest rated current-generation game on Metacritic and MobyGames.