Grand Theft Auto IV is an action-adventure video game developed by Rockstar North and published by Rockstar Games. It was released for the PlayStation 3 and Xbox 360 consoles on 29 April 2008, and for Microsoft Windows on 2 December 2008. It is the eleventh title in the Grand Theft Auto series, and the first main entry since 2004's Grand Theft Auto: San Andreas. Set within the fictional Liberty City (based on New York City), the single-player story follows a war veteran, Niko Bellic, and his attempts to escape his past while under pressure from loan sharks and mob bosses. The open world design lets players freely roam Liberty City, consisting of three main islands.