By the time Grand Theft Auto 4 launched in 2008, Rockstar had carved itself an unassailable niche and a reputation for innovation. And yet for all that praise, it was pretty easy to guess what a new GTA game would be like. The formula changed little from the time the series went 3D. Some vaguely sympathetic character would encounter hardship and then embrace a life of crime as a little treat. That life might look different from game to game, but the general idea remained the same. GTA 4 defied that pattern, and it's one of the reasons it's still an excellent game.

GTA 4 follows Niko Bellic, a former soldier traveling to America both for a better life and to find the man who betrayed his unit in the past. One of GTA 4's biggest surprises at the time was how small Rockstar made this version of Liberty City, a........

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